I roto i te whenua i kitea e ia te rārangi Wallace, e rere ana i roto i te Spice Islands wehe i te kararehe o te motu i waenganui i te rohe Āhia me te rohe New Guinea / Ahitereiria. Ko tona pātai matua, e pā ana ki te aha i te kararehe o nga moutere ki taua āhuarangi rite kia kia rerekē, i taea anake e mā te whakaaro i to ratou takenga mai. I roto i te 1876 i tuhituhi ia te The Geographical Distribution o Animals, i te mahi paerewa mo te neke atu i te hawhe rau tau, me te whai muri, Island Life, i roto i 1880 arotahi i runga i te motu e ono. utu ia aro motuhake ki te horahanga matawhenua o ngā momo tata piri i roto i tona mahi mara i te tuatahi i Amerika ki te Tonga, ka i roto i te motu Malay. Heoi i roto i te motu i kitea e ia te rārangi Wallace, e rere i roto i te Spice Islands wehe i te kararehe o te motu i waenganui i te rohe Āhia me te rohe New Guinea / Ahitereiria.
Ko Ernst Haeckel