How Do Glass Frogs Make Their Blood Invisible?

Glass frogs are active during the night when there isn't a particular risk from predators. They take almost 90% of their pigmented red blood cells and hide them in their liver. This means that it's really hard to work out the outline of the frog anymore. Scientists honestly don't have a clue how they're managing to do it. It takes only a couple of seconds for the blood to reprophuse around the body when they wake up and walk around.

Transcript

Play full episode

Remember Everything You Learn from Podcasts

Save insights instantly, chat with episodes, and build lasting knowledge - all powered by AI.