观看免费视频 Yellowstone National Park: Chorus Frogs

(26.2 MB) 添加日期13 May 2016 播放135次 青蛙 动物 Nature
重置
Zoom out
Zoom in
Yellowstone National Park: Chorus Frogs

动画说明：

If you've visited Yellowstone during spring, you've probably heard the all-male chorus of the boreal chorus frog: but actually seeing them is another matter. Ranger Rita Garcia reminisces about discovering these tiny amphibians for the first time.

|