A nesting-ground may pertain-to migratory birds.Logical formLearned from2 sentences. A billfish can be migratory.Logical formLearned from2 sentences. A sturgeon can be migratory.Logical formLearned from2 sentences. A gull can be migratory.Logical formLearned from2 sentences. A (leaf warbler) can be migratory.Logical formLearned from2 sentences. A warbler can be migratory.Logical formLearned from2 sentences. A (game bird law) can be migratory.Logical formLearned from2 sentences. A geese can be migratory.Logical formLearned from2 sentences. Tales can be migratory.Logical formLearned from2 sentences. Help can be for migratory birds.Logical formLearned from2 sentences. Rules can be migratory.Logical formLearned from2 sentences. Grounds can be migratory.Logical formLearned from2 sentences. Flocks of migratory birds may carry a (bird flu virus).Logical formLearned from2 sentences. Migratory birds may undergo an influx.Logical formLearned from2 sentences. (Bird flu) may occur in migratory birds.Logical formLearned from2 sentences.