Some creatures blend in by sticking out. Learn more about glass frogs and the special way they hide their blood.

After the females of some species of glass frogs lay their sticky eggs on the undersides of leaves that dangle above flowing water, the males guard the fertilized eggs from hungry insects ...

Fascinating: How Transparent Glass Frogs Mate Rainy season is also mating season for the glass frogs of Panama. First, the female collects water from a leaf in order to hydrate the eggs inside her.