Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

· · 来源:account资讯

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Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04

Армия СШАLine官方版本下载是该领域的重要参考

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香港非牟利獸醫服務協會(NPV)呼籲不要單純以刺激消費的角度來考慮這次修法。

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