So Apparently Platypuses Glow in the Dark

The video explores the unique characteristics of the platypus, focusing on its fluorescence. It explains the difference between fluorescence and bioluminescence, highlighting examples in various animals. The discovery of fluorescence in mammals, including platypuses, flying squirrels, and opossums, is discussed. The video delves into the evolutionary implications, suggesting that fluorescence might be an ancestral trait. It concludes by pondering the commonality of fluorescence in mammals and its potential evolutionary advantages.

Why might fluorescence be advantageous for nocturnal or crepuscular animals?

What does the text imply about the evolutionary history of fluorescence in mammals?