Studies can be migratory.Logical formLearned from2 sentences. Some persons can be migratory.Logical formLearned from2 sentences. Exploits can be migratory.Logical formLearned from2 sentences. A waypoint can be for migratory birds.Logical formLearned from2 sentences. Herons can be migratory.Logical formLearned from2 sentences. A (stopover point) can be for large numbers of migratory birds.Logical formLearned from2 sentences. Migratory birds may return to a lake.Logical formLearned from2 sentences. A reservoir may transform_in to an abode of migratory birds.Logical formLearned from2 sentences. An abode can be constituted-of-or-filled-with migratory birds.Logical formLearned from2 sentences. A sanctuary may attract a number of migratory birds.Logical formLearned from2 sentences. Refuge can be for migratory birds.Logical formLearned from2 sentences. Episodes can be migratory.Logical formLearned from2 sentences. A migratory birds may undergo a death.Logical formLearned from2 sentences. A cyclone can be migratory.Logical formLearned from2 sentences. Migratory birds may use a refuge.Logical formLearned from2 sentences.