搜索结果: 1-3 共查到“migratory birds”相关记录3条 . 查询时间(0.077 秒)
A new study by scientists at the Cornell Lab of Ornithology and other institutions confirms that most birds -- but not all -- synchronize their migratory movements with seasonal changes in v...
云南师范大学商学院英语阅读课件 Migratory Birds and Coffee。
Fly-over states matter when understanding–and saving-migratory birds
Fly-over states matter saving-migratory birds
2017/3/30
Around the world, thousands of migratory animals travel hundreds or even thousands of miles each year. The journey of migratory animals is more important than their destination. Scientists use the end...