1) Hylobates hoolock, white-browed or hoolock gibbon
2) Pongo pygmaeus, the Bornean orang-utan
3) Male and female Gorilla gorilla
4) Pan troglodytes, the common chimpanzee
5) Homo sapiens (us)
Picture source: http://www.nhc.ed.ac.uk/index.php?page=493.504.508.505.
