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Female elephant seals take seven-month feeding trips during which they balance danger, starvation and exhaustion. Dan Costa

Risk versus reward on the high seas – skinny elephant seals trade safety for sustenance

By measuring how and when elephant seals sleep, researchers were able to figure out how elephant seals change their risk-taking behavior as they gain weight.
The sexual activity of the southern bottletail squid involves choosy females eating losers’ ejaculate. Saspotato

Squid or swallow: the sexual tastes of a cephalopod

In romantic circles, reproduction is viewed as a harmonious venture between the sexes. After all, if you aim to produce the best offspring possible, wouldn’t it also be best to cooperate with your partner…

Sexual selection in the bottletail squid

New insights have been made into how male southern bottletail squids produce the greatest number of offspring. The female…

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