courtship
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Your Yard Is A Firefly Meet Market, And You Can Help Scientists Study It
The twinkly flashing lights of fireflies are a classic sign of summer, but the insects aren’t blinking for your aesthetic benefit. They’re courting in an absolutely cutthroat meet market, and some scientists are afraid that human activities could be making it harder for them to succeed.
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Giraffes And The ‘Necks For Sex’ Hypothesis
Sexual selection doesn’t necessarily just shape sexual anatomy — it can have as profound an effect on the rest of an animal’s body as natural selection does. In both cases, the end result is more babies for animals that look or act a particular way.