Male dragonflies get less flashy in hotter climates

Read the full post at Treehugger.

When temperatures rise, male dragonflies have come up with a decidedly drab but clever way to stay cool. They lose some of the showy pigmentation on their wings, a new study finds. Shedding the dark patches helps regulate their body temperature, but it could make it harder to attract mates and fend off rivals.

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