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

Darwin’s frogs, named after Charles Darwin ... she subsequently lays up to 40 eggs in a leaf litter, then hops away. The male stands guard over the frogspawn in a vigil that can last up to ...

Once the deed is done, so to speak, female glass frogs leave their new eggs with their male partners. The males clutch the eggs for days on top of a leaf until the young reach the aquatic larvae ...

Observers believe both came here by “piggybacking” on exotic plants brought in by the horticultural sector. Read more at ...

A greenish frog slightly larger than a quarter and donning a black Zorro mask recently started begging female frogs to have sex.

In winter, frogs hunker down to hibernate under leaf litter, half buried in mud, or in the crevices of bark, according to their species. When the weather warms they awaken and follow their ancient ...

Jaime Culebras Suctioned to a leaf bottom in the rainforests of South and Central America, glass frogs seem to vanish in plain sight—the transparent skin of their undersides erasing the hard ...

Discover the hidden champions of the natural world. Nine remarkable creatures so perfectly camouflaged, you would never know ...