2 Season
8 Episode
北极解密 - Season 2 Episode 3 第 3 集
A polar bear mother keeps watch over her cub as they wait for the coming winter and the plentiful feeding opportunities it brings. But there are threats abound: from cannibalistic male bears, to the devastating impact of climate change, which has delayed the seasonal freeze and put them at risk of starvation.
- Year: 2017
- Country:
- Genre: Documentary
- Studio: Smithsonian Channel
- Keyword:
- Director:
- Cast:
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