Caption: South Sulawesi tarsier (Tarsius tarsier)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 12.13 MB

Caption: Sooty mangabey monkey (Cercocebus atys)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 11.88 MB

Caption: Male drill monkey (Mandrillus leucophaeus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 14.29 MB

Caption: Male human being (Homo sapiens)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.49 MB

Caption: Male western lowland gorilla
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.20 MB

Caption: Cotton-top tamarin (Saguinus oedipus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 11.74 MB

Caption: Female black-and-gold howler monkey (Alouatta caraya)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 18.36 MB

Caption: Female Bornean orangutan (Pongo pygmaeus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 11.83 MB

Caption: Male bonobo or pygmy chimpanzee (Pan paniscus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 13.34 MB

Caption: Black and white guereza monkey (Colobus guereza)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 9.43 MB

Caption: Australopithecus afarensis, the 'southern ape,' which lived from 3.8 to 2.9 million years ago.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.47 MB

Caption: Male pale-headed saki monkey (Pithecia pithecia)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 15.81 MB

Caption: Homo habilis, 'able man' or 'handy man,' which lived from 2 to 1.5 million years ago.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.50 MB

Caption: Male and female Chinese white-cheeked gibbons (Hyloblates leucogenys)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 14.47 MB

Caption: Classification tree of the species Homo sapiens (modern humans) within the order Primates.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.43 MB

Caption: Homo neanderthalensis, who ranged from western Europe to Central Asia for 100,000 years before dying out about 30,000 years ago.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.50 MB

Caption: The skeletal structures of a human being and of a gorilla.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 16.42 MB

Caption: Homo erectus, 'upright man,' which lived from approximately 1,700,000 to 200,000 years ago.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.50 MB

Caption: Woolly monkey (Lagothrix infumatus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 12.27 MB

Caption: View of the base of the human skull, showing the central location of the foramen magnum.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 12.99 MB

Caption: Comparison of the pelvis and lower limbs of a chimpanzee, an australopith, and a modern human.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 12.29 MB