Western Parotia Parotia sefilata

Western Parotia Parotia sefilata

Location: West Papua (Illegally occupied by Indonesia)

Found exclusively in the montane forests of the Vogelkop Peninsula and Wandammen Mountains in Indonesian-occupied West Papua, this species is confined to isolated pockets of ancient, cloud-draped rainforest.

The Western Parotia Parotia sefilata, also called the Arfak Parotia, is a stunning bird-of-paradise of #WestPapua known for their mesmerising, ballerina-like courtship dance. Male #birds fan their iridescent flank plumes into a skirt and dazzle females with precise steps and shimmering throat shields. Although listed as Least Concern in 2016, this designation is dangerously outdated. The forests these rare birds call home have suffered catastrophic #deforestation in recent years due to the explosion of #palmoil plantations. These once-pristine regions are now fragmented and rapidly vanishing. Immediate action is needed to protect the Western Parotia from becoming the next victim of extinction.#BoycottPalmOil #Boycott4Wildlife

https://youtu.be/nNqV1BfSsZY

Unusual behaviours like mounting reveal complexity to the lives of Western #Parotia, thrilling #birds of paradise in #WestPapua. #Palmoil is a major threat. Fight for them and indigenous peoples #Boycottpalmoil #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2026/01/25/western-parotia-parotia-sefilata/

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With jet black plumage 🖤 and bright green 💚 wattles, male Western Parotia #birds 🐦🦜🦚 of paradise gleam like scaly armour when they dance 🎶 Resist against their #extinction in #WestPapua when you #Boycottpalmoil 🌴🚫 #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2026/01/25/western-parotia-parotia-sefilata/

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Appearance & Behaviour

Male Western Parotias are instantly recognisable by their jet-black plumage, metallic green wattles that gleam like scaled armour, and three distinctive wire-like head plumes that curl outward from each side of the crown—features that inspired the species name, derived from the Latin sex filum, meaning ‘six threads.’ A dazzling inverted silver triangle on their head flashes during display, perfectly offset by their elegant black flank plumes which form a flared skirt in courtship. Females are more subdued, clad in streaky brown feathers, allowing them to blend into the forest understorey.

This species of bird-of-paradise is polygynous. Males gather in exploded leks—loosely spaced display grounds—where they clear leaf-littered forest floors to create courts. On these makeshift stages, they perform intricate displays to attract females, combining pirouettes, head bobs, feather shimmers, and rapid shakes. A 2024 behavioural study also observed rare alternative mating tactics, including homosexual mounting and sneak copulation attempts by female-plumaged birds, suggesting untapped behavioural complexity (MacGillavry et al., 2024).

Threats

The Western Parotia is officially listed as Least Concern, but this 2016 classification dangerously underrepresents their current reality. Since that assessment, massive deforestation for timber and palm oil has devastated much of their limited range, particularly across the Vogelkop Peninsula and Wandammen Mountains. The threats are mounting and accelerating due to the following drivers:

Palm oil deforestation

Large-scale clearing of primary rainforest to make way for industrial palm oil plantations is now rampant across the Bird’s Head (Vogelkop) Peninsula. Even remote montane forests where Western Parotias lek and nest are not safe, as new roads are cut to expand plantation frontiers.

Timber deforestation

Commercial timber extraction is removing centuries-old forest giants that the Western Parotia depends on for fruit, foraging and nesting. Logging roads also fragment habitat, increase fire risk, and provide access to previously undisturbed ecosystems.

Deforestation for mining, rubber and infrastructure projects

Government-backed agribusiness schemes are encouraging monocultures such as oil palm and rubber, which completely erase the forest understory and tree canopy vital for the Parotia’s food and shelter.

Mining concessions in West Papua—often enforced with military support—are rapidly opening up forests in the Wandammen Mountains, overlapping with the Parotia’s habitat. Road construction to access mines and plantations is fragmenting the landscape irreparably.

Climate change-induced extreme weather

The species is restricted to highland forest. As temperatures rise and human pressures encroach from below, their montane habitat may shrink to mountaintop fragments, leaving no room for retreat.

Colonial exploitation, military conflict and suppression of Indigenous land rights:

Indigenous Melanesians have stewarded Papuan forests for millennia. Today, state and corporate projects continue to override Indigenous consent, leading to ecological destruction and social injustice hand-in-hand.

These combined threats pose a serious and immediate danger to the survival of the Western Parotia. Without urgent action to halt deforestation and recognise Indigenous land sovereignty, the species could slide rapidly toward extinction unnoticed.

Geographic Range

Western Parotias are found exclusively in the montane and submontane rainforests of the Vogelkop Peninsula and the Wandammen Mountains in West Papua. They are forest specialists, requiring old-growth rainforest to support their complex courtship behaviour and nesting needs. Since their last assessment in 2016, widespread forest loss has occurred across these regions, particularly from illegal logging and palm oil expansion, putting their long-term survival in serious jeopardy.

Diet

Western Parotias primarily feed on fruits—especially figs—and supplement their diet with arthropods. Their foraging occurs at various forest levels, but they prefer mid-canopy and understorey, where fruiting trees and insect-rich foliage are abundant.

Mating and Reproduction

Courtship and nesting behaviour are marked by sexual division of labour. Only the female builds the nest and raises the chick. Nests are often camouflaged in dense foliage. Although the precise breeding season remains unclear, it is believed to vary by elevation and fruiting cycles. Male courtship is heavily influenced by evolutionary modularity in display traits, which have diverged over time, giving rise to the extravagant variety seen across the Parotia genus (Scholes, 2008).

FAQs

How many Western Parotias are left in the wild?

There are no exact population estimates for the Western Parotia. The IUCN has classified them as Least Concern, but this was based on assessments from 2016. Since then, vast tracts of their habitat have been lost. Without a recent survey, the current population trend is unknown, but it is likely decreasing due to ongoing deforestation (BirdLife International, 2016).

How long do Western Parotias live?

In the wild, birds-of-paradise often live between 5 to 10 years, though lifespan data for this species is limited. In captivity, related species have reached over 15 years, but no long-term studies exist for Parotia sefilata specifically.

What challenges do conservationists face protecting this species?

Conservation of the Western Parotia is complicated by a lack of recent data and the remoteness of their habitat. The Vogelkop and Wandammen regions are undergoing rapid transformation due to illegal logging and palm oil expansion, often facilitated by state-backed infrastructure projects. These forests also fall within contested indigenous lands, and conservation solutions must be rooted in indigenous sovereignty to be effective.

Is the Western Parotia affected by the exotic pet trade?

Unlike parrots and smaller songbirds, Western Parotias are not commonly targeted for the exotic pet trade, likely due to their remote habitat and specialised diet. However, increased accessibility due to road construction could change this. It is essential to remain vigilant and oppose any wildlife trafficking.

Take Action!

Use your wallet as a weapon to stop extinction by boycotting palm oil. Always choose products that are 100% palm oil-free to avoid contributing to the deforestation that is pushing the Western Parotia closer to extinction. Support indigenous-led conservation efforts in West Papua and call for greater transparency around the spread of monoculture plantations. Protect the mesmerising courtship rituals of these remarkable birds by fighting to keep their forests standing. #BoycottPalmOil #Boycott4Wildlife #Vegan #BoycottMeat

Support the Western Parotia by going vegan and boycotting palm oil in the supermarket, it’s the #Boycott4Wildlife

Support the conservation of this species

This animal has no protections in place. Read about other forgotten species here. Create art to support this forgotten animal or raise awareness about them by sharing this post and using the #Boycottpalmoil #Boycott4Wildlife hashtags on social media. Also you can boycott palm oil in the supermarket.

Further Information

BirdLife International. (2016). Parotia sefilata. The IUCN Red List of Threatened Species 2016: e.T22706181A93913206. Retrieved 6 April 2025, from https://www.iucnredlist.org/species/22706181/93913206

MacGillavry, T., Janiczek, C., & Fusani, L. (2024). Video evidence of mountings by female-plumaged birds of paradise (Aves: Paradisaeidae) in the wild: Is there evidence of alternative mating tactics? Ethology. https://doi.org/10.1111/eth.13451

Scholes, E. (2008). Evolution of the courtship phenotype in the bird of paradise genus Parotia (Aves: Paradisaeidae): homology, phylogeny, and modularity. Biological Journal of the Linnean Society, 94(3), 491–504. https://doi.org/10.1111/j.1095-8312.2008.01012.x

Wikipedia contributors. (n.d.). Western parotia. Wikipedia. Retrieved 6 April 2025, from https://en.wikipedia.org/wiki/Western_parotia

How can I help the #Boycott4Wildlife?

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3. Supermarket sleuthing: Next time you’re in the supermarket, take photos of products containing palm oil. Share these to social media along with the hashtags to call out the greenwashing and ecocide of the brands who use palm oil. You can also take photos of palm oil free products and congratulate brands when they go palm oil free.

https://twitter.com/CuriousApe4/status/1526136783557529600?s=20

https://twitter.com/PhillDixon1/status/1749010345555788144?s=20

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4. Take to the streets: Get in touch with Palm Oil Detectives to find out more.

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A 2019 World Health Organisation (WHO) report into the palm oil industry and RSPO finds extensive greenwashing of palm oil deforestation and the murder of endangered animals (i.e. biodiversity loss)

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#animals #Bird #birds #Birdsong #Boycott4wildlife #BoycottMeat #BoycottPalmOil #deforestation #EndSongbirdTrade #extinction #ForgottenAnimals #FreeWestPapua #gold #goldMining #hunting #indigenous #military #PalmOil #palmOilDeforestation #palmoil #Parotia #poaching #songbird #songbirds #vegan #vulnerable #VulnerableSpecies #WestPapua #WesternParotiaParotiaSefilata #WestPapua

Songbirds Socialise Mid-Flight During Migration

Songbirds Socialise Mid-Flight During Migration | A study from the University of Illinois reveals that migrating songbirds communicate with different species during nocturnal flights, potentially sharing vital information about navigation and stopover habitats. This challenges the traditional view of solitary migration, highlighting the importance of social interactions in avian journeys. Help them to survive and #BoycottPalmOil #Boycott4Wildlife

🕊️ #News: Fascinating #research finds #song #birds 🦉🦅🐦 communicate mid-flight with other species, possibly sharing navigation tips. This challenges the view of solitary migration. #Bird #communication #Animals #Migration #Avian Protect them and #BoycottPalmOil 🌴💩🔥❌ @palmoildetect https://wp.me/pcFhgU-9OK

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University of Illinois College of Agricultural, Consumer and Environmental Sciences. (2025, January 15). Songbirds socialize on the wing during migration. ScienceDaily. Retrieved January 17, 2025, from https://www.sciencedaily.com/releases/2025/01/250115125116.htm

https://youtu.be/ZNIUITfUHlc

Migrating Songbirds Engage in Mid-Flight Social Communication

Recent research led by the University of Illinois Urbana-Champaign has uncovered that migrating songbirds engage in vocal interactions with other species during their nocturnal flights. Analysing over 18,300 hours of recorded flight calls, the study suggests that these birds may form social connections and possibly exchange critical information about their migratory routes.

Traditionally, songbird migration has been viewed as a solitary endeavour, guided primarily by innate behaviours. However, this study challenges that notion, proposing that social cues play a significant role even during night-time flights. Lead author Benjamin Van Doren, assistant professor in the Department of Natural Resources and Environmental Sciences, stated, “We can’t be sure what they’re saying, but birds might broadcast calls during flight to signal their species, age, and sex. And we can certainly speculate that these flight calls could relate to navigation or finding suitable stopover habitat.”

The research team utilised acoustic recordings from 26 sites over three years in eastern North America. Employing machine learning tools, they detected the flight calls of 27 species, including 25 well-sampled songbirds. The analysis revealed stronger-than-expected associations between different species’ calls, indicating interspecies communication during flight.

Birds of a Feather Do Indeed Flock Together!

Further examination showed that species with similar wing lengths and call similarities were more likely to associate. Van Doren explains:

“Species with similar wing sizes were more likely to associate, and wing length is directly linked to flight speed. If you imagine two species flying at similar speeds because they have similar wings, then it’s much easier for them to stick together.”

This study opens new avenues for understanding the complexities of avian migration, emphasising the potential for social interactions to influence migratory success. The findings suggest that conservation efforts should consider the social dynamics of migratory birds to better protect these species during their extensive journeys.

For more detailed information, read the full study on ScienceDaily.

University of Illinois College of Agricultural, Consumer and Environmental Sciences. (2025, January 15). Songbirds socialize on the wing during migration. ScienceDaily. Retrieved January 17, 2025, from https://www.sciencedaily.com/releases/2025/01/250115125116.htm

ENDS

Learn about other animals endangered by palm oil and other agriculture

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Learn about “sustainable” palm oil greenwashing

Read more about RSPO greenwashing

Lying Fake labels Indigenous Land-grabbing Human rights abuses Deforestation Human health hazards

A 2019 World Health Organisation (WHO) report into the palm oil industry and RSPO finds extensive greenwashing of palm oil deforestation and the murder of endangered animals (i.e. biodiversity loss)

Read more

Take Action in Five Ways

1. Join the #Boycott4Wildlife on social media and subscribe to stay in the loop: Share posts from this website to your own network on Twitter, Mastadon, Instagram, Facebook and Youtube using the hashtags #Boycottpalmoil #Boycott4Wildlife.

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2. Contribute stories: Academics, conservationists, scientists, indigenous rights advocates and animal rights advocates working to expose the corruption of the palm oil industry or to save animals can contribute stories to the website.

Wildlife Artist Juanchi PĂŠrez

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Mel Lumby: Dedicated Devotee to Borneo’s Living Beings

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Anthropologist and Author Dr Sophie Chao

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Health Physician Dr Evan Allen

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The World’s Most Loved Cup: A Social, Ethical & Environmental History of Coffee by Aviary Doert

Read more

How do we stop the world’s ecosystems from going into a death spiral? A #SteadyState Economy

Read more

3. Supermarket sleuthing: Next time you’re in the supermarket, take photos of products containing palm oil. Share these to social media along with the hashtags to call out the greenwashing and ecocide of the brands who use palm oil. You can also take photos of palm oil free products and congratulate brands when they go palm oil free.

https://twitter.com/CuriousApe4/status/1526136783557529600?s=20

https://twitter.com/PhillDixon1/status/1749010345555788144?s=20

https://twitter.com/mugabe139/status/1678027567977078784?s=20

4. Take to the streets: Get in touch with Palm Oil Detectives to find out more.

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Bird Song Secrets Revealed: How Habitat Shapes Their Melodies

In the vast soundscape of #nature, #birds have evolved intricate ways to make themselves heard. A groundbreaking global study by University of Madison-Wisconsin has found surprising connections between a bird’s habitat, body size, beak shape, and the frequency of their calls—offering new insight into the evolutionary forces that shape and govern their songs and the jungle symphony as a whole. This discovery sheds light on the intricate relationship between nature and bird communication. Help them every time you shop and #BoycottPalmOil #Boycott4Wildlife

🐦 #News: #Research finds #birds 🦉🦜🎶 sing with their surroundings! High-pitched songs help to cut through rushing water noise. Noisy habitats inspire more diverse tunes. Help them when you shop #BoycottPalmOil 🌴☠️⛔️ #Boycott4Wildlife @palmoildetect https://wp.me/pcFhgU-alS

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https://youtu.be/H2HvsPXeJck

This fascinating study reveals how bird habitats influence their songs, with species adapting their tunes to match environmental conditions like rushing water.

Key Insights

Rushing Water and High-Pitched Calls:

In dense forests and wetlands where waterfalls and rushing rivers create a constant backdrop of low-frequency white noise, birds have adapted by shifting their calls into a higher register. This allows their voices to cut through the environmental hum, ensuring they can still communicate with their kin and stake their territorial claims.

Latitude Dictates Melody:

Strikingly, birds living along the same latitudes tend to produce similar vocalisations, hinting at an underlying ecological pattern that influences their calls. Whether in tropical jungles or temperate woodlands, the climate, vegetation, and soundscape of a region seem to shape how birds communicate across vast distances.

Body Mass, Beak Shape, and the Science of Sound

Size matters in the avian world. Larger birds produce deep, resonant calls, while smaller birds favour higher-pitched chirps. Beak shape plays a crucial role as well—certain beak structures amplify specific frequencies, refining the way birds project their voices. This study confirms that these physical attributes are not just incidental but are deeply intertwined with how birds have evolved to communicate in their environments.

Sound as a Survival Tool:

For smaller birds, vocal versatility is key to survival. Their ability to produce a wide range of frequencies allows them to signal to their own species at high pitches while also using lower frequencies to mimic larger, more intimidating creatures. This acoustic illusion may trick predators into perceiving them as more formidable than they really are—a clever auditory camouflage in the battle for survival.

This global analysis of bird calls provides a deeper understanding of how nature fine-tunes the voices of its creatures, ensuring that they not only adapt but thrive in the ever-changing soundscape of the wild.

https://youtu.be/KA4mXS1x6a8

Implications for Wildlife Conservation

This research highlights the importance of protecting diverse ecosystems that allow birds to maintain and evolve their communication methods. Understanding how habitats influence behaviour offers valuable insights into preserving both wildlife and the natural environments they depend on.

The Bigger Picture

By exploring the interplay between habitat and communication, this study deepens our appreciation for the intricate connections within ecosystems and the resilience of bird species in adapting to environmental challenges.

Discover more about this groundbreaking study.

University of Wisconsin-Madison. “Why do birds make so many different sounds? A study gets at the underlying factors.” ScienceDaily. ScienceDaily, 8 January 2025.

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Learn about “sustainable” palm oil greenwashing

Read more about RSPO greenwashing

Lying Fake labels Indigenous Land-grabbing Human rights abuses Deforestation Human health hazards

A 2019 World Health Organisation (WHO) report into the palm oil industry and RSPO finds extensive greenwashing of palm oil deforestation and the murder of endangered animals (i.e. biodiversity loss)

Read more

Take Action in Five Ways

1. Join the #Boycott4Wildlife on social media and subscribe to stay in the loop: Share posts from this website to your own network on Twitter, Mastadon, Instagram, Facebook and Youtube using the hashtags #Boycottpalmoil #Boycott4Wildlife.

✓ Subscribed

2. Contribute stories: Academics, conservationists, scientists, indigenous rights advocates and animal rights advocates working to expose the corruption of the palm oil industry or to save animals can contribute stories to the website.

Wildlife Artist Juanchi PĂŠrez

Read more

Mel Lumby: Dedicated Devotee to Borneo’s Living Beings

Read more

Anthropologist and Author Dr Sophie Chao

Read more

Health Physician Dr Evan Allen

Read more

The World’s Most Loved Cup: A Social, Ethical & Environmental History of Coffee by Aviary Doert

Read more

How do we stop the world’s ecosystems from going into a death spiral? A #SteadyState Economy

Read more

3. Supermarket sleuthing: Next time you’re in the supermarket, take photos of products containing palm oil. Share these to social media along with the hashtags to call out the greenwashing and ecocide of the brands who use palm oil. You can also take photos of palm oil free products and congratulate brands when they go palm oil free.

https://twitter.com/CuriousApe4/status/1526136783557529600?s=20

https://twitter.com/PhillDixon1/status/1749010345555788144?s=20

https://twitter.com/mugabe139/status/1678027567977078784?s=20

4. Take to the streets: Get in touch with Palm Oil Detectives to find out more.

5. Donate: Make a one-off or monthly donation to Palm Oil Detectives as a way of saying thank you and to help pay for ongoing running costs of the website and social media campaigns. Donate here

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#animalBehaviour #AnimalBiodiversityNews #animalCommunication #animalCruelty #animalExtinction #animalIntelligence #animalRights #biodiversity #Bird #BirdOfParadise #birds #Birdsong #Boycott4wildlife #BoycottPalmOil #deforestation #EndSongbirdTrade #nature #News #PalmOil #palmOilDeforestation #Parrot #Parrots #research

The mimics among us — birds pirate songs for personal profit

From Roman classics to British tabloids, humans have long celebrated the curious and remarkable ability of #birds and other #animals to imitate the sounds of humans and other animals. A recent surge of research is revealing how and why birds use vocal mimicry to further their own interests. Far from being merely a biological curiosity, it appears that vocal mimicry plays a more central role in the lives of birds than we have given them credit for.

#Birds and other creatures 🦜🐸🐟🐒 mimic #sounds to confuse and deceive #predators ⁉️ and impress potential mates 💕 Protect #biodiversity and endangered birds when you #Boycottpalmoil 🌴🩸🔥☠️🧐🚫 #Boycott4Wildlife in the supermarket! @palmoildetect https://palmoildetectives.com/2022/05/01/the-mimics-among-us-birds-pirate-songs-for-personal-profit/

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Most birds communicate using vocalisations unique to their own kind, but a diverse group of species from around the globe regularly imitate the sounds of other animals, including sounds we produce ourselves.

https://youtu.be/et28frk-kAY

In Australia, these avian “mimics” are all around us. On a stroll in the Blue Mountains, for example, you can expect to encounter several of them, including arguably the world’s most famous vocal mimic, the superb lyrebird, along with lesser-known mimics like the silvereye, the satin bowerbird, the mistletoebird, the yellow-throated scrubwren, and the feisty brown thornbill.

Even the Australian magpie – better known for swooping cyclists or pinching food from picnics – occasionally quietly imitates other species of bird.

What sounds do birds imitate?

Avian vocal mimics often imitate the songs and calls of other species of bird, but they can also imitate the sounds of mammals (such as growls of yellow-bellied gliders), the hiss of snakes, and the wing-beats of birds flying by.

Birds can imitate sounds of human origin but recordings of these are rare, and many reports may come from observations of captive individuals, or may be misinterpretations of natural sounds.

https://youtu.be/KkMwZgtHVnI

The mimetic feats of birds can be gobsmacking. A single superb lyrebird can imitate more than one bird calling at the same time. The 7 gram brown thornbill can imitate the song of the predatory pied currawong, a bird more than 40 times it size. And the marsh warbler is versatile in the extreme, and is known to imitate more than 200 species of African and European birds without ever seeming to sing its own tune.

A single species may change its mimicry depending on the context. When confronted with a taxidermy owl placed on the ground, brown thornbills mimic the alarm calls that other bird species make in response to predators on the ground (listen here).

However, when a fibreglass model of a sparrowhawk is thrown over the top of them, brown thornbills mimic the alarm calls that other bird species make in response to predators in the air (listen here).

This tiny mimic, therefore, can communicate about different types of danger in several different avian “languages”.

New Holland honeyeater aerial alarm call and mobbing alarm call. Brown thornbill imitates the aerial alarm call and mobbing alarm call. Data from Igic and Magrath, 2014, Behavioral Ecology. Lousie Docker/Wikimedia Commons (top); Patrick K9 /Flickr (bottom). Spectrograms, B. Igic.

Owl chicks that sound like rattlesnakes

Through vocal mimicry, an avian mimic can manipulate the behaviour of others for its own benefit. It seems that birds use vocal mimicry sometimes to deceive and sometimes to impress.

Deceptive vocal mimicry can allow birds to obtain food that they are not entitled to. The fork-tailed drongo of Africa mimics other species’ alarm calls to “cry wolf”, falsely signalling the impending attack of a predatory hawk. In the ensuing mayhem, the drongo steals food that has been abandoned by fleeing meerkats and pied babblers.

In Australia, the Horsfield’s bronze-cuckoo lays its eggs in the nests of superb fairy-wrens and other species, which then raise the cuckoo chick as one of their own. However, fairy-wrens have evolved a set of defences against cuckoos and may abandon a nest if they think something is amiss. The cuckoo chick ensures its survival by mimicking the begging calls of the fairy-wren’s own young.

Surprisingly, the cuckoo chick is a versatile mimic. If the chick hatches in the nest of a buff-rumped thornbill, then the cuckoo mimics the sound of buff-rumped thornbill nestlings. The cunning cuckoo tunes its mimetic begging call to the sound that elicits the most food from its host, allowing it to parasitise more than one species.

Other species seem to use vocal mimicry to deceive predators and so avoid being eaten themselves.

Burrowing owl chicks mimic the rattle of a rattle snake. Alan Vernon/Wikimedia Commons (left) ; Matthew P. Rowe (right)

In the Americas, the burrowing owl lays its eggs in tunnels in the ground where the young are vulnerable predators. However, when disturbed, burrowing owl chicks produce a distinctive call that is strangely similar to the rattle of a rattlesnake. Experiments have shown that this mimetic rattle deters other animals from entering burrows.

There are several other reports of incubating adults or nestling birds producing snake-like hiss calls when disturbed. It has also been suggested that nestlings of an American woodpecker, the northern flicker, imitate the buzz of a hive of bees in order to survive an encounter with a predator.

Seduction songs

Some of the most spectacular examples of avian vocal mimicry are of birds that imitate multiple species during sexual display. Such species include the two species of lyrebird of Australia, tooth-billed bowerbirds from Queensland, and the northern mockingbird of North America.

During the breeding season, the males of these species sing long, loud bouts of the imitations of the songs and calls of other birds, which they deliver from song perches or carefully constructed display platforms.

https://www.youtube.com/embed/el8hSgA3vPA

A male superb lyrebird on one of his display mounds mimicking the birds of his forest. Dalziell & Welbergen, Blue Mountains, NSW, Australia, June 2014.

Such mimicry can be extraordinary, both for the sheer number of different sounds mimicked and for its accuracy. The superb lyrebird, for example, can produce mimicry to a level of accuracy that even the bird it imitates is confused.

Currently, the best evidence that birds use vocal mimicry to entice mates comes from studies of satin bowerbirds, found in eastern Australia.

Satin bowerbirds attract females with an elaborate display involving a decorative bower and a performance that includes vocal mimicry. Females prefer to mate with males that can accurately mimic a large number of different species of bird. Perhaps female bowerbirds can assess the male’s genetic quality through his prowess in vocal mimicry.

https://youtu.be/57xmMbZ9QfY

Australia has many avian vocal mimics, leading the early 20th century writer Alec Chisholm to suggest that this continent might have more than its fair share.

Indeed it is likely that some Australian species of avian mimics sometimes mimic each other. An avian soundscape populated by mimics is fascinating to contemplate.

The next time you go for a bushwalk, you might want to listen back to the birds you come across – are they honestly singing their own tune, or have they stolen someone else’s?

https://youtu.be/5jMTuuhTeqU

Anastasia Dalziell, Postdoctoral Associate, Cornell Lab of Ornithology, Cornell University and Justin A. Welbergen, Senior Lecturer – Animal Ecology, Western Sydney University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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