polar bear changing diet

 

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海冰的消失令北極熊無法再如常捕食海豹,結果走到陸地上吃鵝巢裡的蛋。這些蛋並不能提供適合北極熊的營養,只是在無選擇下牠們改變了習性。但這除了影響鵝的繁殖,依靠鵝的北極狐、馴鹿等也會受影響,改變整個陸地生態系統。

the disappearing of sea ice made it harder for polar bears to catch seals, so now they are poaching eggs from gooses nests! these eggs couldn’t provide the right nutrition for the polar bears, but in order to survive they don’t have much choice. the changing of polar bear diet not only affect the bird populations, but animals like the arctic foxes and reindeers that depends on the birds would be affected as well, and changing the whole terrestrial ecosystem.

https://www.newscientist.com/article/2130821-polar-bears-shift-from-seals-to-bird-eggs-as-arctic-ice-melts/

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