Cooperation Is Child’s Play
Cooperation confounds us: Humans are the only members of the animal kingdom to display this tendency to the extent that we do, and it’s an expensive endeavor with no guarantee of reciprocal rewards. While we continue to look for answers about how and why cooperation may have emerged in human social and cultural evolution, we [...]
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Who’s the daddy?
When it comes to mating, males rarely cooperate. In most species males compete for females, through roaring, head-banging, or even eye-length comparison. However, this is not the case for Geoffroy’s tamarin. In these tamarins, the females mate with all the males in her group that are not related to her. This is called polyandry (the [...]
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What Can Dolphins Tell Us About The Evolution of Friendship?
November 16th, 2011 |
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A version of this post was originally published on November 18, 2010. Click the archives image to see the original post. Scientists thought they had a pretty good handle on the social interactions of bottlenose dophins (Tursiops). They’ve used the term fission-fusion dynamics to describe dolphin (and non-human primate) society and so far it has [...]
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