Up Next
Back to Show
Deep Look
Why Is The Very Hungry Caterpillar So Dang Hungry?
Season 4
Episode 14
Because it's hoarding protein. Not just for itself, but for the butterfly it will become and every egg that butterfly will lay. And it's about to lose its mouth... as it wriggles out of its skin during metamorphosis.
Support Provided By
4:25
What animal sprays acid that reeks of vinegar from its rear end? A vinegaroon, of course.
4:31
The cage fungus looks and smells like decaying meat — on purpose.
5:12
Subterranean termites fly off in swarms, and then drop their wings to start new colonies.
4:59
A twig is actually just one of many disguises for the Australian walking stick insect.
4:46
They might look like harmless grasshoppers, but locusts have an appetite for destruction.
4:58
A kissing bug gorges on your blood, plus it may carry a potentially deadly parasite.
4:38
Skeleton shrimp anatomy can be confusing, with their funky assortment of body parts.
4:42
Tadpole shrimp are a special type of time-traveling crustacean called triops.
3:30
The assassin bug commits murder by stabbing. But does this perpetrator have an accomplice?
4:26
Most damselflies prefer sun, but the quirky San Francisco forktail damselfly digs the fog.
4:51
Horseshoe crabs may look scary, but really they’re lovers, not fighters.
4:29
Digger bees build a different kind of sandcastle at the beach – it's part of their nest.