What animal has migrated from Souteast Asia and caused the extinction of The Kauaʻ i ʻ ōʻ ō in Hawaii?
Kauaʻi ʻōʻō:  The causes of its extinction include the introduction of the Polynesian rat, domestic pig, and mosquitoes carrying avian disease (avian malaria and avian pox), as well as habitat destruction. Polynesian rat:  The Polynesian rat originated in Southeast Asia, and like its relatives, has become widespread, migrating to most Polynesian islands, including New Zealand, Easter Island, and Hawaii.
Polynesian rat