#Taxonomy
Scientists do not refer to the same genera (even less species) when they use the terms #hominin or #homininans. They are therefore avoided here.
This #longThread uses the adjective #human to refer to any species of the tribe #Hominini that is not chimpanzee or bonobo.

Some characteristics that have distinguished such "human" individuals from other primates, living and extinct, include their erect posture, bipedal locomotion, larger brains.

#Hominoidea tree:

Around 20 to 15 Mya, #Hominoidea radiated (no longer interbred) to gibbons, orangutans, African apes.

Then African apes diverged into many species including gorillas, humans, bonobos, chimpanzees. Radiation occurred during 9-6 Mya.

#4Mya: global #climateChange reduced forests and induced more open terrestrial biomes. The great #apes (collectively #Hominoidea) were separated:
- in Eurasia, homininae disappeared (but not orangutans and gibbons);
- in #Africa, contrarily, homininae diversified.