搜索结果: 1-2 共查到“生物学 hummingbirds”相关记录2条 . 查询时间(0.092 秒)
The hummingbird is named after the sound it makes when it hovers in front of a flower to feed. But only now has it become clear how it generates its namesake sound. The results are published in e...
For rufous hummingbirds, migration routes may differ（图）
rufous hummingbirds migration routes
2020/7/31
Plucky, beautiful, and declining in numbers at about 2% annually, rufous hummingbirds make their long annual migrations in different timing and route patterns based on age and sex, new U.S. Natio...