Question: What is the third most widespread species of rat in the world, which was partially responsible for the extinction of the Kauaʻi ʻōʻō?
Sentence (from "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.
Relevant evidence: Yes