If that headline doesn't drive traffic to blogfish, I don't know what will. Young Nazca booby chicks get very aggressive; the firstborn kills the younger chick to increase its own chances of survival. Researchers at Wake Forest University* found that firstborn chicks -- both male and female -- get spikes of androgens that increase their aggression not only when they're babies but also throughout their lives. This is not the case for the Nazca's cousins, the blue-footed boobies, who spend their time peacefully comparing their feet.* Cheers to Muller et al for publishing in PLoS so we can all read the original paper. Tweet
3 comments:
this story exactly parallels my brother and my relationship
I read this too quickly the first time through and thought it was about aggressive Nazi boobies.
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