Beekeepers can be migratory.Logical formLearned from13 sentences. A phase can be migratory.Logical formLearned from13 sentences. A wave can be migratory.Logical formLearned from13 sentences. Migratory birds may undergo movements.Logical formLearned from13 sentences. Birds can be migratory.Logical formLearned from12 sentences. Migratory birds can be in a continent.Logical formLearned from12 sentences. Migratory birds may undergo concentrations.Logical formLearned from12 sentences. Dangers may be posed by migratory birds.Logical formLearned from12 sentences. Students can be migratory.Logical formLearned from12 sentences. (Stopover sites) can be migratory.Logical formLearned from12 sentences. Systems can be migratory.Logical formLearned from12 sentences. (Caribou herds) can be migratory.Logical formLearned from12 sentences. (Fish populations) can be migratory.Logical formLearned from12 sentences. A restlessness can be migratory.Logical formLearned from12 sentences. Migratory birds may undergo a killing.Logical formLearned from12 sentences.