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Deep Look
5 of the Grossest House Pests We’ve Ever Filmed
Season 11
Episode 20
We hope your spring cleaning doesn’t uncover bed bugs, dust mites, termites, drain flies or cockroaches.
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3:22
Bird’s nest fungi look just like a tiny bird's nest. But those little eggs have no yolks.

3:36
How are frogs so amazing at catching bugs? It’s their supersoft tongue and special spit.

4:00
Mussels create byssal threads to attach themselves to rocks and each other.

4:10
Earthworms cozy up with a mate inside tubes of slime to make cocoons full of baby worms.

3:52
What keeps the boneless, jawless hagfish thriving after more than 300 million years? SLIME

5:04
Researchers use invisible lasers, ghastly wasps and more trickery to protect orange groves

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.