A system can be migratory.Logical formLearned from16 sentences. A fishery can be migratory.Logical formLearned from16 sentences. Whales can be migratory.Logical formLearned from16 sentences. An issue can be migratory.Logical formLearned from16 sentences. Migratory birds may undergo a movement.Logical formLearned from15 sentences. A site can be for migratory birds.Logical formLearned from15 sentences. Some populations can be migratory.Logical formLearned from15 sentences. A sanctuary can be for migratory birds.Logical formLearned from15 sentences. Services can be migratory.Logical formLearned from15 sentences. Stocks can be migratory.Logical formLearned from15 sentences. A direction can be migratory.Logical formLearned from15 sentences. Migratory birds may take a virus to a continent.Logical formLearned from15 sentences. Migratory birds can be from a country.Logical formLearned from15 sentences. An agreement can be migratory.Logical formLearned from14 sentences. (Shore birds) can be migratory.Logical formLearned from14 sentences.