Ruby-throated hummingbird migration红喉北蜂鸟迁徙
Ruby-throated hummingbird migration红喉北蜂鸟迁徙
The ruby-throated hummingbird weighs about as much as a coin, yet each autumn it flies from North America to Central America, and many fly 800 km nonstop across the Gulf of Mexico.
红喉北蜂鸟只有一枚硬币那么重，可每年秋天它都要从北美洲飞到中美洲，很多还会不停歇地飞越约800公里宽的墨西哥湾。
- Weight重量
- 0.003 kg0.003 千克
- Lives in栖息地
- Forests and gardens of North and Central America北美洲和中美洲的森林与花园
Fun fact趣味知识Before the trip it eats so much nectar that it almost doubles its weight, filling up like a tiny fuel tank.出发前，它会拼命喝花蜜，体重几乎翻一倍，就像给自己加满了一个小油箱。