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
4:21
These parasites crawl onto your bed, bite you and suck your blood.
4:07
The fearsome wormlion ambushes prey at the bottom of a tidy sand pit.
3:27
These tiny arachnids feast on sebum, the greasy oil in your pores.
4:10
Honey bees make honey from nectar to fuel their flight – and our sweet tooth.
4:27
This millipede uses deadly cyanide gas to keep predators at bay.
3:45
Why are itchy lice so tough to get rid of and how do they spread like wildfire?
4:19
Yep, brown marmorated stink bugs are stinky, but that’s not the worst thing about them.
3:34
Dogs have a great sense of smell, but what makes their noses so powerful?
4:08
These Hairworms Eat a Cricket Alive and Control Its Mind
3:51
With their big heads & beady black eyes, Jerusalem crickets aren't winning any contests.
4:34
Turret Spiders Launch Sneak Attacks From Tiny Towers