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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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4:08
Cone Snails have an arsenal of tools and weapons under their pretty shells.

3:50
Crow funerals aren't the solemn events that we hold for our dead. What's really going on?

3:04
To reproduce, vibrant tumbleweeds need to turn into rolling brown skeletons.

3:15
This catfish looks confused, but swimming belly-up helps it camouflage and breathe better.

3:11
Once used for questionable treatments, leeches now help doctors to reattach body parts.

3:32
A tick uses a mouth of hooks to cling to you. But there *is* a way to pull it out.

3:13
Most firefly flashes are pure romance. One copycat uses them to lure others to their doom.

3:28
Some very special physics help Pacific mole crabs dig with astonishing speed.

3:49
With flowers hidden inside, the corpse flower plays dead to lure some unusual pollinators.

4:42
The female black widow has a bad reputation, but her male counterpart is a total jerk.

4:14
When it comes to hooking up, male mantises have good reason to fear commitment.

3:50
Pine beetles can fell a mighty ponderosa pine, but the forest fights back. Who will win?