During mating, some male poison frogs embrace their partner’s face in a love-potion-laced hug. The amorous amphibians may create pheromones in glands in their fingers, researchers report July 21 in ...
Scientists have discovered a weird and wacky quirk regarding how poison frogs have sex. Several species of male poison frogs use a "swollen fingertip" to pass pheromones into the female during sex, ...
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