Up Next
Back to Show
Deep Look
Once a Spawn a Time: Horseshoe Crabs Mob the Beach
Season 8
Episode 14
Horseshoe crabs may look scary, but when it’s springtime in Delaware Bay, millions of these arthropods show they’re lovers, not fighters. They lay masses of blue-green eggs up on the shore. At just the right time, they pop and release the larvae within to the sea.
Support Provided By
4:20
As they gorge, oblique streaktail hoverflies help keep orange trees safe from disease.
3:37
Why is that yellowjacket crashing your BBQ? She’s gathering food for the nest’s larvae.
5:04
Explore the parasite Ophryocystis elektroscirrha (OE) and ways to help monarch butterflies.
4:14
Floating colonies of red fire ants are a risk for people wading through floodwater.
3:57
These voracious predators cruise belly up below the surface of a pond or gentle stream.
4:55
Barn owls turn mice, gophers and voles into balls of fur and bones known as pellets.
4:02
It’s called nectar robbing: Bees get nectar, but don’t pollinate the plants in exchange.
3:49
Giant water bugs pack one of the most painful bites of any insect, but they're great dads.
4:33
The spotted wing drosophila may look like a common fruit fly, but it’s so much worse.
5:13
Those precious silk garments in your closet were made by the caterpillars of a fuzzy moth.
3:58
Barnacles might look like jagged little rocks, but they have a surprisingly wild sex life.
4:36
Honeypot ants stuff members of their own colony until they look like tiny water balloons.