There's a kind of rat that likes to feed on the seeds as well.

还有一种老鼠也喜欢吃种子。

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The brain changes coincide with improvements in spatial memory and speedier foraging skills, which might help a mother rat protect and feed her young.

大脑的这些改变与空间记忆的增强和觅食行为的加快相吻合。这些都将帮助母鼠保护和喂养她幼崽。

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After weaning, the baby rats were allowed to pick their own diet from a choice of rat feed and junk food.

在断奶后，研究者们观察了幼鼠对于饲料与垃圾食品两者之间选择的喜好。

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For ground-nesting birds like the South Georgia pipit and South Georgia pintail, both of which are unique to the island, the rat explosion spells disaster because the rats feed on chicks and eggs.

BBC: Rat eradication project on South Georgia set to resume