导演：
国家/地区：美国
时长：120分钟
语言/字幕：英语
Hummingbirds take extraordinary to a whole new level. They are the smallest warm-blooded creatures on the planet, but they are also among the fastest. With wings that beat up to 200 times every second, they are among nat…
Hummingbirds take extraordinary to a whole new level. They are the smallest warm-blooded creatures on the …
