北美地区的红松鼠(red squirrels)的繁殖期提前，也被认为有一部分是遗传改变。一些松鼠家庭在更早的春天出现，使它们能更好地适应气候变化。
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... palm squirrels 棕榈松鼠属 red squirrels 红松鼠属 sun squirrels 太阳松鼠属 ...
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red-bellied squirrels 赤腹松鼠
同义词： American red squirrel spruce squirrel Sciurus hudsonicus Tamiasciurus hudsonicus
同义词： cat squirrel Sciurus vulgaris
以上来源于: WordNet
N a reddish-brown squirrel, Sciurus vulgaris, inhabiting woodlands of Europe and parts of Asia 红松鼠
Red squirrels are uncommon in England.
红松鼠在英格兰很少见。
《牛津词典》
Why are red squirrels losing out in competition with grey squirrels?
为什么红松鼠会在比赛中输给灰松鼠呢？
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Many gray squirrels are silent carriers of a disease fatal to red squirrels.
许多灰松鼠悄无声息地携带着一种对红松鼠致命的疾病。
Red squirrels have been absent from the north and west Highlands for about 30 years.
BBC: Highland boost to red squirrels
But other conservationists, especially those looking to reintroduce red squirrels, want the trees to remain.
BBC: NEWS | UK | Wales | North West Wales | Tree-felling 'to preserve dunes'
Five years ago, there were less than 40 red squirrels on the whole of Anglesey.
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