北极的"居民"是如何过冬的?
日期:2011-12-19

Snowshoe Hare
The aptly named snowshoe hare has particularly large feet and a winter-white coat. In the summer though, their fur turns brown, taking up to ten weeks to change color completely.
北美野兔
北美野兔因大脚和雪白的皮毛而得名,尽管在夏天它就变成棕色了,而这需要10周时间。
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