https://palmoildetectives.com/2021/01/31/ifola-dendrolagus-notatus/?utm_source=mastodon&utm_medium=Palm+Oil+Detectives&utm_campaign=publer
Vogelkop Tree Kangaroo Dendrolagus ursinus
Vogelkop Tree Kangaroo Dendrolagus ursinus
IUCN Red List Status: Vulnerable
Location: Vogelkop and Fakfak Peninsulas, West Papua
This species is found only in the remote montane rainforests of the Vogelkop (Doberai) and Fakfak Peninsulas in Indonesian-occupied West Papua, at elevations ranging from sea level to 2,500 metres.
The Vogelkop #TreeKangaroo Dendrolagus ursinus, also known as the Ursine or Black Tree #Kangaroo, is one of the least known and most elusive tree kangaroos in the world. Endemic to the Vogelkop and Fakfak Peninsulas of West Papua, this striking marsupial is cloaked in jet-black fur, with pale cheeks, tufted ears, and a white-tipped tail. They live alone in the misty mountain forests. Yet even in the densest forest, lowland logging roads are growing, they are under threat from #hunting and relentless forest clearance for #palmoil agriculture and #timber. Take action to protect these rapidly vanishing forest dwellers when you #BoycottPalmOil #Boycott4Wildlife, be #Vegan and #BoycottMeat
Vogelkop Tree #Kangaroos 🦘😻 with their strong limbs, wooly fur and expressive faces are ancient guardians of the #forests in #WestPapua. Help them to survive against #PalmOil #ecocide and #BoycottPalmOil 🌴🪔🚜🔥⛔️#Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2021/01/26/vogelkop-tree-kangaroo-dendrolagus-ursinus/
Share to BlueSky Share to TwitterElusive Vogelkop Tree #Kangaroos 🦘🫶 can leap several metres through trees in #WestPapua. Help these #vulnerable #marsupials. They face grave threat from #PalmOil #deforestation. Fight for them #BoycottPalmOil 🌴🩸🧐🚫 #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2021/01/26/vogelkop-tree-kangaroo-dendrolagus-ursinus/
Share to BlueSky Share to Twitterhttps://youtu.be/lZ61Z6dYDt0?si=3WIR4LsCNwkO91T1
Appearance and Behaviour
With their glossy black upper coat, pale underbelly, reddish or white cheeks, and soft white throat patch, Vogelkop Tree Kangaroos appear like ethereal guardians of the rainforest. Their long, tufted ears and thick fur are well-suited to the cool montane climate, while their strong limbs and curved claws make them agile climbers. The fur whorls on their shoulders may even help channel rainwater off their heads. Weighing up to 8 kg, they are larger than most tree-dwelling marsupials, yet they move with stealth and grace through the forest canopy. They are nocturnal and solitary, coming down to the ground only rarely to move between trees.
Diet
Very little is known about their natural diet, but captive individuals have been observed eating leaves, bark, and twigs from mulberry trees, figs, and breadfruit (Antocarpus) species. Like other members of the Dendrolagus genus, they are folivores and frugivores, likely foraging across a wide area to find seasonal fruits and foliage in the upper canopy.
Reproduction and Mating
As with most tree kangaroos, reproduction is poorly documented. It is thought that breeding can occur year-round. After a gestation of around 30 days, the tiny newborn crawls into the mother’s pouch to attach to a nipple, developing there for around 300 days. The lack of data on reproduction in this species makes it difficult to assess how quickly populations can recover from declines.
Geographic Range
Dendrolagus ursinus is confined to the Vogelkop (Doberai) and Fakfak Peninsulas in the far northwest of Indonesian-occupied West Papua. Their range is limited to high-altitude montane forests between 1,000 and 2,500 metres, although some sources note sightings as low as sea level. Once more widespread, their habitat has been fragmented by palm oil agriculture and hunting. The total range is estimated to be no more than 30,000 square kilometres, much of which remains unexplored.
Threats
Very little is known about the biology, ecology, and behaviour of D. ursinus, making conservation efforts challenging. The lack of detailed population studies, genetic analysis, and ecological monitoring prevents targeted protection strategies. This information vacuum has left the species largely ignored in regional conservation planning.
• Hunting by local communities for food
Hunting remains a significant pressure on Dendrolagus ursinus. Despite their remote, mountainous habitat, they are still actively targeted by some communities for bushmeat. As the species is solitary and slow-moving on the ground, they are vulnerable to hunters, especially in areas where hunting traditions persist or where economic hardship has increased reliance on wild animals for protein.
• Habitat loss due to forest clearance for palm oil agriculture
Much of the Vogelkop and Fakfak regions are undergoing rapid transformation, as forests are cleared to create farmland for crops and livestock. Shifting cultivation and permanent clearing for cash crops reduce available habitat and fragment populations. This not only restricts the tree kangaroo’s range but also increases encounters with humans, raising the risk of hunting.
• Palm oil expansion and timber logging
Although industrial-scale plantations are less established in the highlands, out-of-control palm oil operations are expanding in West Papua. Lowland deforestation pushes communities and agriculture further upslope into montane forests—the last refuges of species like the Vogelkop Tree Kangaroo. Logging, both legal and illegal, further degrades these habitats and opens access routes for hunters and poachers.
• Historical disappearance from more densely populated areas
The species has already vanished from parts of the Arfak Mountains, where growing human populations and increased land conversion have left little viable forest. This historical range contraction is an ominous sign, showing how even highland refuges are no longer safe. Without urgent intervention, similar disappearances could occur elsewhere in their remaining range.
Take Action!
Help protect the Vogelkop Tree Kangaroo by refusing to buy products made with palm oil, advocating for forest protection in West Papua, and supporting indigenous-led agroecology initiatives. Demand an end to deforestation driven by agriculture and logging. Speak up for Vogelkop Tree Kangaroos of the cloud forests and #BoycottPalmOil #Boycott4Wildlife #BoycottMeat
FAQs
How many Vogelkop Tree Kangaroos are left?
No formal population estimates exist, but the IUCN notes a suspected 30% population decline over the past three generations (roughly 30 years) due to hunting and habitat loss. The species now survives mostly in mountainous areas, having disappeared from the lowlands.
Are they the same as the Black Tree Kangaroo?
Yes. Dendrolagus ursinus is also known as the Black Tree Kangaroo, Ursine Tree Kangaroo, or Vogelkop Tree Kangaroo. These names refer to the same species, which is distinguished by their dark fur and limited range in northwestern New Guinea.
What makes Vogelkop Tree Kangaroos different from other tree kangaroos?
Genetic studies reveal that Dendrolagus ursinus represents one of five distinct evolutionary lineages within New Guinea’s tree kangaroos. Their thick black coat, tufted ears, and unique geographic isolation make them one of the most distinctive—and mysterious—members of the Dendrolagus genus (Eldridge et al., 2018).
Is it true Vogelkop Tree Kangaroos live in protected areas?
Some of their range may overlap with remote protected forests, but enforcement is minimal. Without community-led efforts to protect habitat and reduce hunting pressure, even these areas may not be enough to ensure the species’ survival.
Further Information
Eldridge, M. D. B., Potter, S., Helgen, K. M., Sinaga, M. H., Aplin, K. P., Flannery, T. F., & Johnson, R. N. (2018). Phylogenetic analysis of the tree-kangaroos (Dendrolagus) reveals multiple divergent lineages within New Guinea. Molecular Phylogenetics and Evolution, 127, 589–599. https://doi.org/10.1016/j.ympev.2018.05.030
Leary, T., Seri, L., Wright, D., Hamilton, S., Helgen, K., Singadan, R., Menzies, J., Allison, A., James, R., Dickman, C., Aplin, K., Salas, L., Flannery, T. & Bonaccorso, F. 2016. Dendrolagus ursinus. The IUCN Red List of Threatened Species 2016: e.T6434A21956516. https://dx.doi.org/10.2305/IUCN.UK.2016-2.RLTS.T6434A21956516.en. Downloaded on 26 January 2021.
Flannery, T., Martin, R., & Szalay, A. (1996). Tree Kangaroos: A Curious Natural History. Reed Books.
Tenkile Conservation Alliance. (2024). Vogelkop Tree Kangaroo. Retrieved March 22, 2025, from https://tenkile.com/vogelkop-tree-kangaroo/
Wikipedia contributors. (n.d.). Ursine tree-kangaroo. In Wikipedia, The Free Encyclopedia. Retrieved March 22, 2025, from https://en.wikipedia.org/wiki/Ursine_tree-kangaroo
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Vogelkop Tree Kangaroo Dendrolagus ursinus
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Golden-mantled Tree Kangaroo Dendrolagus pulcherrimus
Golden-mantled Tree Kangaroo Dendrolagus pulcherrimus
Red List Status: Critically Endangered
Location: Papua New Guinea (Torricelli Range), West Papua (Foja Mountains)
In the misty cloud forests of New Guinea’s mountains, where ancient trees emerge from perpetual fog and birdsong echoes through emerald canopies, Golden-mantled Tree Kangaroos move with quiet grace through their vanishing world.
Golden-mantled Tree Kangaroos are one of the world’s rarest marsupials. Rarely glimpsed in the wild, their distinctive chestnut coats are adorned with golden stripes. These remarkable climbing kangaroos have suffered a catastrophic 90% population decline over three generations, leaving fewer than 500 individuals clinging on for survival in two remote mountain ranges. Palm oil expansion strips away their ancient forest homes while hunting pressure decimates remaining populations. The Tenkile Conservation Alliance protects the Torricelli population through community-based conservation, offering hope for recovery. #BoycottPalmOil #Boycott4Wildlife
Golden-mantled Tree #Kangaroos 🦘🤎 are critically endangered #marsupials of #PapuaNewGuinea 🇵🇬 They’re on the edge of #extinction from #palmoil #deforestation and #hunting. Resist for them and #Boycottpalmoil 🌴☠️🤮🙊⛔️ #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2021/01/26/golden-mantled-tree-kangaroo-dendrolagus-pulcherrimus/
Share to BlueSky Share to TwitterAppearance and behaviour
The lowland areas of their distribution are earmarked for deforestation and oil palm expansion.
IUCN Red List
These resilient Tree Kangaroos display the physiological adaptations of arboreal marsupials with chestnut-brown coats, pale bellies, and distinctive double golden stripes running down their backs. Their yellowish necks, cheeks, and feet create a striking contrast against their darker fur, while their powerful tails marked with pale rings provide essential balance during canopy travel. These compact marsupials measure 40-77 centimetres in body length with tails reaching 40-87 centimetres.
Golden-mantled Tree Kangaroos possess powerful forelimbs and curved claws perfectly adapted for gripping bark and branches. Their shorter hind legs allow independent movement essential for navigating complex three-dimensional forest environments. Unlike ground kangaroos, these arboreal specialists can move both forwards and backwards along branches, using their long tails as fifth limbs for stability and balance.
Diet
Golden-mantled Tree Kangaroos are primarily folivorous, feeding on leaves from dozens of plant species found throughout their montane forest habitat. They supplement their diet with seasonal fruits, herbs, and sedges, spending considerable time foraging both in trees and on the forest floor. These selective feeders prefer young leaves and shoots from specific plant species, making them vulnerable when preferred food sources disappear.
Their feeding behaviour includes both arboreal and terrestrial foraging, with Golden-mantled Tree Kangaroos descending to ground level to access fallen fruits and herbs. This dietary flexibility has allowed them to persist in their restricted mountain habitats, though their dependence on specific plant species makes them particularly vulnerable to habitat conversion and fragmentation.
Reproduction and mating
Golden-mantled Tree Kangaroos reach sexual maturity at approximately two years of age with no defined breeding season. Females have an oestrous cycle estimated at 54 days with a gestation period of about 45 days. Once born, the tiny joey remains in the mother’s pouch for 10 months before emerging to spend another 2-3 months at foot, learning essential climbing and foraging skills.
These marsupials live relatively long lives, with captive individuals surviving over 14 years, suggesting wild Golden-mantled Tree Kangaroos could live 8-10 years under optimal conditions. Their extended dependency period reflects the complex skills required for arboreal survival, with mothers teaching joeys essential climbing techniques and food recognition during their extended care period.
Geographic Range
Golden-mantled Tree Kangaroos now survive in only two isolated mountain ranges across New Guinea. The Torricelli Range population in Papua New Guinea extends from Weight to Kuliek, while a smaller population persists in West Papua’s Foja Mountains. Fossil records indicate they once ranged across the Vogelkop Peninsula and other areas, but have been extirpated from 99% of their historical range.
Unconfirmed sightings from Papua New Guinea’s Prince Alexander Range suggest possible remnant populations, though these require verification. Their extremely restricted range of just 300 square kilometres makes Golden-mantled Tree Kangaroos particularly vulnerable to local extinctions from habitat loss, hunting, or natural disasters.
Threats
Industrial palm oil deforestation
Palm oil companies systematically bulldoze and burn Golden-mantled Tree Kangaroo habitat across West Papua, replacing mid-montane rainforests with lifeless monocultures. Korean company Korindo has destroyed 11,700 hectares of pristine rainforest in recent years, eliminating the complex canopy structure these arboreal marsupials require for survival. The company burns forests illegally, knowing this practice destroys critical habitat for tree kangaroos, birds of paradise, and cassowaries. Palm oil expansion has eliminated lowland portions of their range entirely, forcing Golden-mantled Tree Kangaroos into higher elevation refuges. Plantation development fragments the continuous forest cover essential for these territorial animals, creating isolated patches too small to support viable populations.
Hunting for bushmeat
Local communities hunt Golden-mantled Tree Kangaroos for subsistence protein, targeting them with guns during opportunistic forest expeditions. Hunting pressure intensifies near human settlements where access improves through road development and infrastructure expansion. The species’ small group sizes and territorial nature make them particularly vulnerable to hunting pressure, with entire local populations eliminated through intensive harvesting.
Infrastructure and road projects
Road construction opens previously inaccessible mountain areas to human exploitation, bringing hunting pressure and habitat disturbance into formerly secure territories. Small-scale agriculture eliminates forest understory vegetation while creating edge effects that degrade remaining habitat quality. The conversion of traditional forest management systems to intensive agriculture removes the ecological balance that historically supported both human communities and wildlife populations.
Take Action!
Use your wallet as a weapon and #BoycottPalmOil #Boycott4Wildlife every time you shop. Adopt a vegan lifestyle protecting both wild and farmed animals from agricultural expansion. Support the Tenkile Conservation Alliance’s community-based protection programmes recognising indigenous land rights. Refuse products containing palm oil, as this is driving Golden-mantled Tree Kangaroos towards extinction. #BoycottPalmOil #Boycott4Wildlife #Vegan
FAQs
How do Golden-mantled Tree Kangaroos climb trees?
Golden-mantled Tree Kangaroos have powerful forelimbs with curved claws that grip bark securely, while their shorter hind legs allow independent movement essential for navigating branches. They possess strong grips on their paws and foot soles providing non-slip traction when climbing. Their long tails act as fifth limbs, pressing against tree trunks for balance and stability during movement.
What do Golden-mantled Tree Kangaroos eat?
Golden-mantled Tree Kangaroos are primarily herbivorous, feeding on leaves from 91 known plant species, seasonal fruits, herbs, and sedges found in their montane forest habitat. They spend considerable time foraging both in trees and on the forest floor, preferring young leaves and shoots from specific plant species. Some sources suggest they occasionally consume young birds and bird eggs, though their diet consists predominantly of plant matter. Their selective feeding habits make them vulnerable when preferred food sources disappear due to habitat conversion or climate change.
How long do Golden-mantled Tree Kangaroos live?
In the wild, they typically live approximately 8-10 years, though current threats including hunting and habitat destruction may be reducing average lifespans. Captive individuals have survived over 14 years, suggesting they have potential for longer lifespans when protected from human pressures. Their generation length is approximately 10 years, indicating they reach reproductive maturity relatively late compared to smaller marsupials.
How big are Golden-mantled Tree Kangaroos?
Golden-mantled Tree Kangaroos measure 40-77 centimetres in body length with tails reaching 40-87 centimetres, making them substantially smaller than ground kangaroos. They weigh approximately 15.5 kilograms, a relatively light build essential for their arboreal lifestyle where they must be supported by tree branches. Both males and females are similar in size, showing less sexual dimorphism than many other kangaroo species.
Why are Golden-mantled Tree Kangaroos endangered?
Tragically, these tree kangaroos have experienced a catastrophic 90% population decline over three generations due to palm oil deforestation and hunting pressure. Palm oil companies have destroyed 99% of their historical habitat, replacing mid-montane rainforests with monoculture plantations offering no food or shelter. Hunting for bushmeat provides essential protein for local communities but removes breeding individuals from critically small populations. Their extremely restricted range of just 300 square kilometres makes them vulnerable to local extinctions, while habitat fragmentation prevents genetic exchange between isolated populations.
Can Golden-mantled Tree Kangaroos jump?
Golden-mantled Tree Kangaroos are capable jumpers, able to leap distances of up to 9 metres between trees and drop up to 18 metres to the forest floor without injury. They can climb heights equivalent to a 10-storey building, using their powerful hind legs and long tails for balance during aerial manoeuvres. Their jumping ability allows them to navigate between the treetops without descending to the dangerous ground level where predators pose greater threats. Their remarkable leaping capacity is essential for accessing food sources and escaping danger in their three-dimensional forest environment.
https://www.youtube.com/watch?v=5WAiBl_b2cE
Further Information
Eldridge, M. D. B., Potter, S., Helgen, K. M., Sinaga, M. H., Aplin, K. P., Flannery, T. F., & Johnson, R. N. (2018). Phylogenetic analysis of the tree-kangaroos (Dendrolagus) reveals multiple divergent lineages within New Guinea. Molecular Phylogenetics and Evolution, 127, 589-599. https://doi.org/10.1016/j.ympev.2018.05.030
Flannery, T. F. (1993). Taxonomy of Dendrolagus goodfellowi with description of a new subspecies. Records of the Australian Museum, 45(1), 33-42.
Leary, T., Wright, D., Hamilton, S., Helgen, K., Singadan, R., Aplin, K., … & Seri, L. (2016). Dendrolagus pulcherrimus. The IUCN Red List of Threatened Species 2016: e.T136696A21957219.
Porolak, G., Dabek, L., & Krockenberger, A. K. (2014). Ranging behaviour of tree kangaroos in upper montane forest. PLoS ONE, 9(4), e91870.
Leary, T., Wright, D., Hamilton, S., Helgen, K., Singadan, R., Aplin, K., Dickman, C., Salas, L., Flannery, T., Martin, R. & Seri, L. 2016. Dendrolagus pulcherrimus. The IUCN Red List of Threatened Species 2016: e.T136696A21957219. https://dx.doi.org/10.2305/IUCN.UK.2016-2.RLTS.T136696A21957219.en. Downloaded on 26 January 2021.
You can support the conservation of this animal:
Golden-mantled Tree Kangaroo Dendrolagus pulcherrimus
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Pledge your support#Boycott4wildlife #BoycottPalmOil #CriticallyEndangeredSpecies #deforestation #Dendrolagus #extinction #ForgottenAnimals #GoldenMantledTreeKangarooDendrolagusPulcherrimus #hunting #Indonesia #Kangaroos #Macropod #Mammal #mammals #Marsupial #marsupials #palmoil #PapuaNewGuinea #PapuaNewGuineaSpeciesEndangeredByPalmOilDeforestation #PapuaNewGuinea #TreeKangaroo #treekangaroos #vegan #WestPapua #WestPapua
Matschie’s Tree-kangaroo (Wild Safari Wildlife by Safari Ltd.)
4 (10 votes)
Tree-kangaroos of the genus Dendrolagus are unique and fascinating animals in that they’re the only macropods adapted for an arboreal lifestyle. Indeed, while they move about awkwardly on land, they are quite agile in the trees. They possess a number of adaptations for living this lifestyle including broad hindfeet, long claws, dexterous hands, […]
Read more... https://animaltoyforum.com/blog/matschies-tree-kangaroo-wild-safari-wildlife-by-safari-ltd/
#Dendrolagus #DendrolagusMatschiei #MatschieSTreeKangaroo #SafariLtd_ #WildSafariWildlife
Meet Chimbu, the blue-eyed, bear-eared tree kangaroo
Tree kangaroos are so unusual that when Europeans first encountered them in Australia in 1872, back on the continent they were sceptical if they were real! Who would believe a #kangaroo could climb a tree?
The Goodfellow’s tree kangaroo is an endangered species of the genus dendrolagus living in the Central Cordillera mountain ranges of Papua New Guinea. Help them to survive every time you shop and be #Vegan #BoycottPalmOil #Boycott4wildlife
The Goodfellow’s tree #kangaroo 🦘🤎 is an #endangered macropod of #PapuaNewGuinea 🇵🇬 Threats include #palmoil and #mining #deforestation #Boycottpalmoil 🌴🪔☠️🚜🧐🙊⛔️#Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2021/11/03/meet-chimbu-the-blue-eyed-bear-eared-tree-kangaroo/
Share to BlueSky Share to TwitterA climbing kangaroo? That’s roo-diculous!
Europeans in New Guinea first described tree kangaroos in 1828. While there have been plenty of disagreements about who is related to whom, we now know there are 14 distinct species.
Early explorers considered the very idea of a climbing roo ridiculous, but these animals are specially adapted to life in the trees. They likely all evolved from a terrestrial ancestor earlier in the Pliocene, 5.3 million to 2.5 million years ago.
Tree kangaroos look like marsupial bears, but can climb trees like monkeys. Healesville Sanctuary, Author providedTree kangaroos have much longer forelimbs than their ground-dwelling cousins and their claws are much larger and strongly curved. This provides much stronger grip when climbing trees and gripping smaller branches.
They still have large strong hind limbs, but their feet are shorter, broader and have a long curved claw on each toe.
The pad of the hindfoot is single, large and with prominent grooves, all of which enhance the animal’s grip when climbing and walking in the canopy. The tails of tree kangaroos aren’t capable of grasping things like a monkey’s, but they’re long and often held out behind the animal for balance.
But perhaps one of the most obvious differences between tree kangaroos and their terrestrial cousins is their adorably small bear-like ears.
Threatened with extinction
Two species of tree kangaroos are found in the forests of northeast Australia and 12 species in the jungles of New Guinea. All species of tree kangaroos are threatened with extinction in New Guinea, although much about these animals is unknown.
The current population size is unknown, but this species of tree kangaroo is thought to be declining in the wild. Healesville Sanctuary, Author providedTraditionally hunted for food, hassled by dogs and threatened by the destruction of their forest habitat, the soft thud of tree roo feet among the trees is falling silent.
But conservation work in their natural habitat and through a globally managed tree kangaroo captive breeding program is helping not only the species, but the people who live alongside them.
Baby Chimbu – a new hope
Chimbu was born in Victoria, but is really an international fellow. His mother Mani came from the National Zoo and Aquarium in Canberra, and his father Bagam arriving from Kreffeld Zoo in Germany.
Baby Chimbu brings hope to a species nearing extinction. Healesville Sanctuary, Author providedMani and Bagam were paired based on the recommendation of scientists and managers who maintain a studbook of Goodfellow’s tree kangaroos around the world.
These gorgeous animals are generally chocolate brown on the back, shading to pale brown or cream on the face and belly, and often with a single or double narrow pale stripe down the back.
Their beautiful striped tails are one of their most noticeable features. And while the current population size is unknown, this tree kangaroo is thought to be declining due to hunting for food, local trading for cultural purposes, and habitat destruction through local deforestation and shifting cultivation.
Chimbu ventured out of his mum’s pouch to sample some tasty salad. Healesville Sanctuary, Author providedAn international network of captive tree kangaroos helps conserve this species. Healesville Sanctuary, Author providedAlthough the Goodfellow’s tree kangaroos are officially endangered, we don’t know much about them in the wild. Right now, the Wildlife Conservation Society is working out how many are in the wild and where, so scientists can develop a detailed conservation program.
Written by Marissa Parrott, Reproductive Biologist, Wildlife Conservation & Science, Zoos Victoria, and Honorary Research Associate, BioSciences, The University of Melbourne. This article is republished from The Conversation under a Creative Commons license. Read the original article.
Read about other endangered tree kangaroos from Papua New Guinea on Palm Oil Detectives
These animals face threats including palm oil and coffee deforestation and hunting. Never fear – there are ways you can help.
Seri’s Tree Kangaroo Dendrolagus stellarum
Doria’s Tree Kangaroo Dendrolagus dorianus
Lowlands Tree Kangaroo Dendrolagus spadix
Grizzled Tree Kangaroo Dendrolagus inustus
Huon Tree Kangaroo Dendrolagus matschiei
Vogelkop Tree Kangaroo Dendrolagus ursinus
Goodfellow’s Tree Kangaroo Dendrolagus goodfellowi
Golden-mantled Tree Kangaroo Dendrolagus pulcherrimus
Black Dorcopsis Dorcopsis atrata
How can I help the #Boycott4Wildlife?
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Tenkile Dendrolagus scottae
Location: Torricelli Mountains and Bewani Range, Papua New Guinea
IUCN Status: Critically Endangered
The #Tenkile, or Scott’s Tree #Kangaroo Dendrolagus scottae, is one of the most endangered #marsupials in the world, found only in the Torricelli Mountains and Bewani Range of #PapuaNewGuinea. These elusive tree kangaroos are unlike others of the #Dendrolagus genus as they spend a lot more time on the ground. These #treekangaroos were once widespread, but decades of hunting for food and deforestation for subsistence farming have driven them to the brink of extinction and they are now critically endangered. By the early 2000s, their population had plummeted to an estimated 100 individuals. However, the Tenkile Conservation Alliance (TCA) has led a community-driven conservation effort that has helped stabilise and even increase their numbers. Despite these successes, #timber and #palmoil expansion stills pose a major threat to this species’ survival. Resist and fight for their survival each time you shop—#BoycottPalmOil #Boycott4Wildlife.
Appearance and Behaviour
The #Tenkile is a critically #endangered chocolate brown tree #kangaroo 🦘🤎 bouncing in #PapuaNewGuinea’s 🇵🇬 #rainforests #PalmOil is a major threat. Help them, every time you shop #BoycottPalmOil 🌴🪔🤮🧐⛔️ #Boycott4Wildlife @palmoildetect #marsupial https://palmoildetectives.com/2021/01/26/tenkile-dendrolagus-scottae/
Share to BlueSky Share to Twitter#Tenkiles are unlike other #TreeKangaroos as they spend time on the ground leaving them at risk of hunting. They have increased from 100 but #PalmOil #deforestation in #PapuaNewGuinea is a threat #BoycottPalmOil #Boycott4Wildlife @palmoildetect #marsupial https://palmoildetectives.com/2021/01/26/tenkile-dendrolagus-scottae/
Share to BlueSky Share to TwitterWith their dense chocolate-brown fur, rounded face, and short, bear-like snout, Tenkile tree kangaroos are uniquely striking among their species. Their long, powerful tail helps them maintain balance while navigating the treetops, though unlike many tree kangaroos, they spend a significant amount of time on the ground. They move carefully and cautiously, using their strong forelimbs to grip branches and their hind legs for leaping between trees.
These tree kangaroos are highly elusive and difficult to spot in the wild. They are usually solitary, but historical accounts suggest they may have once lived in small groups. Due to intense hunting pressure, they have become particularly wary of human presence and avoid areas of disturbance.
Diet
Although no formal diet studies have been conducted, Tenkile tree kangaroos are known to feed on a variety of forest plants, vines, and epiphytes. They have been observed consuming Scaevola and Tetracera vines, as well as leaves from various rainforest species such as Podocarpus, Libocedrus, Auraucaria, Rapanea, and Syzygium. Their diet suggests they play a crucial role in their ecosystem by dispersing seeds and maintaining the health of montane rainforests.
Reproduction and Mating
Unlike some marsupials, Tenkile tree kangaroos do not have a fixed breeding season. Females typically give birth to one or possibly two joeys, which they carry in their pouch while they develop. Very little is known about their reproductive cycle, but as with other tree kangaroos, joeys likely spend months in the pouch before emerging and learning to navigate their treetop habitat. Given their slow reproductive rate, any decline in population is extremely difficult to reverse.
Threats
The Tenkile faces severe threats from hunting and habitat destruction for palm oil, gold mining and timber already present throughout their range.
This species is listed as Critically Endangered because of a rapid population decline suspected to be 90% or more over the last three generations, which in this species is a period of 30 years
IUCN Red ListHunting and human encroachment
For generations, local communities hunted the Tenkile for food, leading to devastating population declines. Increased human population density has made this worse, as more people depend on hunting. However, conservation efforts have drastically reduced hunting, helping stabilise the species in the Torricelli Mountains.
Infrastructure and road construction
Around 75% of the Tenkile’s inferred range is now covered by timber and palm oil concessions, leading to widespread forest loss and fragmentation. Additionally, new roads built for petroleum and gas development have opened up previously inaccessible areas to hunters, worsening the threat.
Palm oil and industrial agriculture
Large-scale palm oil plantations are intruding into the Tenkile’s habitat. As corporate logging and agribusiness expands, the risk of palm oil and commercial plantations replacing their habitat has become a grave risk to their survival.
Climate change-induced extreme weather
As a forest-dwelling species, the Tenkile is highly sensitive to temperature changes. Climate change threatens to alter forest composition, food availability, and disease prevalence, putting additional stress on their already fragile population.
Take Action!
The Tenkile’s survival depends on protecting its rainforest home and ensuring local communities are supported in sustainable conservation efforts. You can help by using your wallet as a weapon—#BoycottPalmOil #Boycott4Wildlife every time you shop.
FAQs
What does the Tenkile eat?
The Tenkile’s diet consists mainly of forest vines, leaves, and epiphytic ferns, with a preference for plant species like Scaevola and Tetracera. These seed-dispersing tree kangaroos play a crucial ecological role in maintaining rainforest biodiversity.
How is the Tenkile different from other tree kangaroos?
Unlike most tree kangaroos, the Tenkile spends a high proportion of time on the ground rather than staying exclusively in the treetops. This makes them more vulnerable to hunting and habitat destruction.
Why are Tenkile tree kangaroos endangered?
The Tenkile has been severely impacted by hunting and habitat loss from logging, agriculture, and road construction. Despite successful conservation efforts, threats from industrial expansion and climate change continue to endanger its survival.
What is the Tenkile Conservation Alliance (TCA)?
The Tenkile Conservation Alliance is a community-driven conservation group that has helped protect the Tenkile by working with local villages to ban hunting and establish conservation of tree kangaroos and other small marsupials in Papua. Their work has stabilised the Tenkile’s population, proving that local-led conservation efforts can be effective.
How can I help protect the Tenkile?
One of the biggest threats to Tenkile habitat is deforestation, particularly for logging, agriculture, and palm oil expansion. Always choose products that are 100% palm oil-free to avoid contributing to deforestation and biodiversity loss. Support organisations like the Tenkile Conservation Alliance, and spread awareness about this critically endangered species.
Further Information
Flannery, T. F., & Seri, L. (1990). Tree kangaroos of New Guinea. Records of the Australian Museum, 42(3), 237–245. https://journals.australian.museum/flannery-and-seri-1990-rec-aust-mus-423-237245/
Leary, T., Wright, D., Hamilton, S., Helgen, K., Singadan, R., Aplin, K., Dickman, C., Salas, L., Flannery, T., Martin, R. & Seri, L. 2019. Dendrolagus scottae. The IUCN Red List of Threatened Species 2019: e.T6435A21956375. https://dx.doi.org/10.2305/IUCN.UK.2019-1.RLTS.T6435A21956375.en. Downloaded on 26 January 2021.
Cannon, J. (2023). Defending a forest for tree kangaroos and people: Q&A with Fidelis Nick. Mongabay https://news.mongabay.com/2023/10/defending-a-forest-for-tree-kangaroos-and-people-qa-with-fidelis-nick/
Tenkile Conservation Alliance. (2024). Tenkile Tree Kangaroo. https://tenkile.com/tenkile-tree-kangaroo-2/
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