Bats

... often more passive life style. This is of course quite a general view, there is lots of variation among species. E.g. some small animals (like bats and opossums) can lower their metabolism for varying time periods. And I know my answer probably wasn't exactly top notch, so if there is someone ...

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... is is either two brothers or 8 cousins, as that is equivalent with 100% of your genes. Reciprocal altruism - what you described with the bats. I think my old textbook had the same example, though it's been a few years. From what I remember, some of the bats stick around the cave because ...

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... If this sharing and social behaviour wasn't favourable then why do you think it still persists? This sharing behaviour is even present in fruit bats. Studies have shown that these bats are known to share food with other NON-KIN bats that have previously shared with them before. This sharing ...

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... including kapok, eucalyptus, durian, mango, clove, banana, guava, avocado, breadfruit, ebony, mahogany, and cashew trees, depend exclusively on bats for pollination and seed dispersal, bats play a monumental role in the health of the rainforest. For example, bats are the dominant pollinators ...

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1st - as someone has already stated (yet I'm entirely not against re-stating) there is an amazing diversity of bats. Bats are incredible, period. 2nd - I wonder if there was a time when flying bugs preyed on birds...? That would be SWEET.

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