John Gray gave the Gray Whale the scientific name of Eschrichtius robustus after zoologist Daniel Eschricht. (hickerphoto.com)
One display case contains the casts of an array of hominid skulls: the robust, massive - jawed 1.6 - million - year - old Paranthropus robustus from Swartkrans, South Africa; the flat - faced 1.7 - million - year - old Paranthropus boisei from East Turkana, Kenya; the tiny skull and fossilized brain of the 2.5 - million - year - old Taung child, or Australopithecus africanus, found at Sterkfontein, South Africa. (discovermagazine.com)
Lockwood and his colleague's work implies that Like some modern apes juvenile P. robustus males left their birth group to live on their own and that when older and larger, had to fight to gain a harem of their own. (becominghuman.org)