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The only 2 frogs known to be venomous

Most frogs defend themselves with toxins that sit passively in their skin, but only two species are known to go a step ...
A researcher found that a Japanese pond frog is impervious to the stings of the northern giant hornet, even when it goes down ...
Case in point, a study out today shows the head-on strategy that certain frogs will take to wrap their tongues around a ...