Rats can be extinct.Logical formLearned from2 sentences. (Ground sloths) can be extinct.Logical formLearned from2 sentences. A frog may be believed extinct.Logical formLearned from2 sentences. Cladistics may reconstruct movements of extinct animals.Logical formLearned from2 sentences. Some populations may be considered extinct.Logical formLearned from2 sentences. Megafaunas may go extinct.Logical formLearned from2 sentences. An extinct animal may be found frozen.Logical formLearned from2 sentences. Ivory-bills may be thinked extinct.Logical formLearned from2 sentences. Fossils may come from extinct animals.Logical formLearned from2 sentences. Extinct animals may live in a seaway.Logical formLearned from2 sentences. A vital principle can be extinct.Logical formLearned from2 sentences. A group can be constituted-of-or-filled-with extinct animals.Logical formLearned from2 sentences. Sects can be extinct.Logical formLearned from2 sentences. Abbreviators of a presidency can be extinct.Logical formLearned from2 sentences. A herd can be extinct.Logical formLearned from2 sentences.