Contact can be with migratory waterfowl.Logical formLearned from2 sentences. Migratory birds may move for a winter.Logical formLearned from2 sentences. A virus may turn_up among migratory birds.Logical formLearned from2 sentences. Migratory birds may be infected with a flu.Logical formLearned from2 sentences. A shift can be migratory.Logical formLearned from2 sentences. A set can be migratory.Logical formLearned from2 sentences. Migratory birds may be protected under federal law.Logical formLearned from2 sentences. Avian flu can be in migratory birds.Logical formLearned from2 sentences. Avian flu may kill flocks of migratory birds.Logical formLearned from2 sentences. Migratory birds may return to a continent.Logical formLearned from2 sentences. Migratory birds may use wetlands.Logical formLearned from2 sentences. (Burrowing owls) can be migratory.Logical formLearned from2 sentences. A beekeeping can be migratory.Logical formLearned from2 sentences. Troops may kill migratory birds.Logical formLearned from2 sentences. Migratory birds can be in (training exercises).Logical formLearned from2 sentences.