How Hagfish Use Slime as Their Main Defense
A shark closes its jaws around what looks like an easy meal: a soft-bodied, eel-shaped hagfish. Then, almost instantly, the predator’s mouth fills with a strange fibrous slime. The material …
animal defenses
Why Red-Eyed Tree Frogs Flash Their Eyes as a Defense
A red-eyed tree frog sleeping beneath a rainforest leaf hardly looks like one of nature’s most spectacularly colored amphibians. Its green body disappears against the foliage, its orange feet are …