Megafaunas can be extinct.Logical formLearned from5 sentences. A goose can be extinct.Logical formLearned from5 sentences. A colony can be extinct.Logical formLearned from5 sentences. A penguin can be extinct.Logical formLearned from5 sentences. A (penguin genus) can be extinct.Logical formLearned from5 sentences. Brontotheres can be extinct.Logical formLearned from5 sentences. A municipality can be extinct.Logical formLearned from5 sentences. Birds may go extinct.Logical formLearned from5 sentences. A breed may go extinct.Logical formLearned from5 sentences. A nobleman can be extinct.Logical formLearned from5 sentences. A version can be extinct.Logical formLearned from5 sentences. Counties can be extinct.Logical formLearned from5 sentences. Graptolites can be extinct.Logical formLearned from5 sentences. A fossil can be extinct.Logical formLearned from5 sentences. A genus may go extinct.Logical formLearned from5 sentences.