The result of migration is that races of widely different origin and habit have had to adapt themselves to similar conditions.
Young boys compete with other boys in sports and races and tug-of-wars and, well, in everything, because that is simply how they are wired.
By Dr Paul Matschie several races of the African elephant have been described, mainly, as already mentioned, on certain differences in the shape of the ear.
South Sea Islanders and other coloured races, numbering probably about 15,000, were in 1906 to be found principally in Queensland, but further immigration of Pacific Islanders to Australia is now restricted, and the majority of those in the country in 1906 were deported by the middle of 1907.
Pottery, common to Malays and Papuans, the bows and arrows of the latter, and the elaborate canoes of all three races, are unknown to the Australians.