点击蓝字关注我们当出现短暂意识丧失等无反应的情况时，人们常常采取行动对其进行救助。这样“救助样”亲社交行为也广泛存在于啮齿类动物中，它们通过为对方理毛（allogrooming，一种亲密的社交接触形式）安慰同伴，提供愉快的体验，缓解接受者压力或疼痛。

Hygiene takes many forms in the animal kingdom, and it’s not always about getting clean.

What’s endearing is that cats who get along well will groom each other, wrap their tails together, and head-butt each other ...

A feline behavior expert explains why cats head-butt their owners and what they’re trying to say when they do. Head-butting is a natural cat behavior. To be exact, it’s a species-specific behavior, ...