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

You know the feeling. It’s getting close to bedtime, you get sleepy, and you start yawning automatically. You may even find yourself yawning in the middle of the day in a mid-day lull. These yawns ...

FEEDING: Adult frogs presumably eat small invertebrates such as insects, spiders, and crustaceans, and occasionally small vertebrates. Larvae are thought to eat algae, plant tissue, organic debris, ...

In the winter months of eastern Brazil, temporary streams offer a home for a new species of frog. Mângia, et al (2025) Journal of Vertebrate Biology In the eastern Brazil state of Bahia ...

Tadpoles and young frogs hunt invertebrates both day and night, adding to their vulnerability to predators. THREATS: Habitat loss to urban development, agriculture, logging and wetland draining, ...