Birds can be mature.Logical formLearned from75 sentences. Birds can be stuffed.Logical formLearned from75 sentences. A beak may pertain-to a bird.Logical formLearned from74 sentences. Birds may pertain-to a continent.Logical formLearned from74 sentences. Birds may undergo deaths.Logical formLearned from74 sentences. A range may pertain-to a bird.Logical formLearned from73 sentences. A route can be for migratory birds.Logical formLearned from73 sentences. A bird can be sacred.Logical formLearned from73 sentences. Wings may pertain-to a bird.Logical formLearned from73 sentences. Migratory birds may undergo protection.Logical formLearned from73 sentences. A (bird flu case) can be suspected.Logical formLearned from72 sentences. Cuckoo-shrikes can be (passerine birds).Logical formLearned from72 sentences. Kinglets can be a group of birds.Logical formLearned from72 sentences. Birds may be included in warblers.Logical formLearned from72 sentences. Birds may undergo movements.Logical formLearned from72 sentences.