Just before the breeding season, these birds radiate outwards to warmer climates.每当繁殖季节即将来临,这些鸟飞向四面八方,迁徙到气候较温暖的地带。During the breeding season the birds come ashore.在繁殖季节各种鸟都飞到岸边。Male ducks are easy to tell apart in the breeding season.在繁殖季节很容易辨别出雄鸭子。Outside the breeding season pumas are usually solitary.除了繁殖季节,美洲狮通常独来独往。