Wallace, na-esote ọrụ mbụ nke de Candolle, Humboldt na Darwin, nyere onyinye dị ukwuu na zoogeography. N'ihi mmasị ya na ntụgharị ntụgharị, ọ lekwasịrị anya na nkesa nke ụdị ndị nwere njikọ chiri anya n'oge ọrụ ubi ya na mbụ na South America na mgbe ahụ na Malay Archipelago. Mgbe ọ nọ n'àgwàetiti ahụ, ọ chọpụtara akara Wallace, nke na-agafe n'àgwàetiti Spice Islands na-ekewa fauna nke agwaetiti ahụ n'etiti mpaghara Eshia na mpaghara New Guinea / Australia. Ajụjụ ya bụ isi, ihe kpatara fauna nke agwaetiti ndị nwere ụdị ihu igwe dị otú ahụ kwesịrị iji dị iche iche, nwere ike ịbụ naanị site na ịtụle mmalite ha. N'afọ 1876 o dere The Geographical Distribution of Animals, nke bụ ọrụ ọkọlọtọ maka ihe karịrị ọkara narị afọ, na ihe na-esote, Life Island, na 1880 lekwasịrị anya na agwaetiti ahụ.
Ernst Haeckel