Activities may pertain-to migratory birds.Logical formLearned from2 sentences. A (migration route) may pertain-to migratory birds.Logical formLearned from2 sentences. Some flyways can be for migratory birds.Logical formLearned from2 sentences. Migratory birds may undergo a departure.Logical formLearned from2 sentences. Migratory birds may bring a strain of a (bird flu virus).Logical formLearned from2 sentences. A sanctuary may target migratory birds.Logical formLearned from2 sentences. A migratory bird may be found dead.Logical formLearned from2 sentences. Migratory birds may transmit a disease.Logical formLearned from2 sentences. Migratory birds may undergo a reproduction.Logical formLearned from2 sentences. A migratory behavior may pertain-to a cowfish.Logical formLearned from2 sentences. Elephants can be migratory.Logical formLearned from2 sentences. A problem can be with migratory birds.Logical formLearned from2 sentences. A virus may be transmitted by migratory birds.Logical formLearned from2 sentences. Measures can be migratory.Logical formLearned from2 sentences. Migratory birds may fly northwards on a scale.Logical formLearned from2 sentences.