Up Next
Back to Show
Deep Look
These Silk-Swinging Caterpillars Will Ruin Your Picnic
Season 8
Episode 1
California oak moth caterpillars eat all the leaves on an oak, leaving a brown skeleton. Then they rappel down on a strand of silk, twirling and swinging. If you were enjoying the shade, good luck getting out of their way. For the oak, the caterpillars are a bigger deal –– will the tree survive?
Support Provided By
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.
4:42
Can axolotls salamanders thrive once again in their ancestral waters in Mexico City?
4:09
Hermit crabs are more than happy to let snails build them a perfect home.
5:03
The drama is real for this sultry flower, a gorgeous butterfly and an unlucky fungus gnat.
3:56
Scorpions are notorious predators, but they also have delicate sensory organs.
4:52
The hydra, named after a mythical multiheaded monster, may be the secret to eternal youth.
4:25
This fly’s larvae tunnel inside greens like arugula and kale, leaving squiggly marks.
4:15
Each seed is home to a head-banging moth larva, trying to survive the Sonoran Desert sun.