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The western chimpanzee or West African chimpanzee [1] (Pan troglodytes verus) is a Critically Endangered subspecies of the common chimpanzee. It inhabits western Africa, specifically Côte d'Ivoire , Guinea , Liberia , Mali , Senegal , Ghana , Guinea-Bissau , but has been extirpated in three countries: Benin , Burkina Faso , and Togo .
Existing chimpanzee populations in West and Central Africa do not overlap with the major human fossil sites in East Africa, but chimpanzee fossils have now been reported from Kenya. This indicates that both humans and members of the Pan clade were present in the East African Rift Valley during the Middle Pleistocene .
H. erectus would then have dispersed from West Asia, to East Asia Southeast Asia , back to Africa (Homo ergaster), and to Europe (Tautavel Man). [ 20 ] [ 21 ] It appears H. erectus took longer to move into Europe, the earliest site being Barranco León in southeastern Spain dated to 1.4 Ma, associated with Homo antecessor , [ 22 ] and a ...
The timing of modern human migration from Africa to East Asia is not known with certainty; because bone is poorly preserved in tropical climates, human fossils from the region are rare. Recent discoveries in China, the Philippines, Sri Lanka and Australia had previously established that archaic human fossils were present between 125,000 and ...
Existing chimpanzee populations in West and Central Africa are separate from the major human fossil sites in East Africa; however, chimpanzee fossils have been reported from Kenya, indicating that both humans and members of the Pan clade were present in the East African Rift Valley during the Middle Pleistocene.
The central chimpanzee averages 59.7 kilograms (132 lb) in males and 45.8 kilograms (101 lb) in females. [4] Standing they measure on average 96 cm (38 in) for males and 80 cm (31 in) for females. Central chimpanzees usually have a lifetime in captivity of 30 to 40 years, but some have been seen to live over 50 years. In the wild, the average ...
People bearing genetic markers ancestral such as C, D, N, and O, as well as P (specifically Q), came through the Himalayan mountain range and proceeded to Southeast Asia. [17] [18] Haplogroup C moved to East Asia and Australia, with at least two subclades of the major East Asian branch migrating into the Americas, and with members of Haplogroup ...
The surviving tropical population of primates, which is seen most completely in the upper Eocene and lowermost Oligocene fossil beds of the Faiyum depression southwest of Cairo, gave rise to all living species—lemurs of Madagascar, lorises of Southeast Asia, galagos or "bush babies" of Africa, and the anthropoids: platyrrhine or New World ...