Army of Crabs Protect Spy Robot From Stingray | Spy In The Ocean | BBC Earth

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0:00A 4-m stingray can eat 50 crabs a day.

0:08They hoover up any who've lost their

0:10shell.

0:16Our spy becomes the crab's defender.

0:30The ray will look for an easier meal.

0:34Those with hard shells aren't worth the

0:35trouble.

0:38Males even stand and fight.

0:44Those with soft shells hide among the

0:46hordes.

0:52Despite their brave defenders, the ray

0:55can hunt them down.

1:02It makes short work of extracting meat

1:05from shell.

1:09The crab in hiding makes her getaway.

1:14She needs to get lost in the crowd.

1:17The ray's victim is now an empty husk.

1:23But he's yet to have his 50 a day.

1:27And the fleeing crab is still in the

1:29open.

1:40She's made it.

1:44Now to vanish among the masses.

1:51The greater the numbers, the harder it

1:53is for the ray.

2:03Those with hard shells form an armored

2:05fortress with a soft shell hidden

2:07beneath.

2:17Left in the open, spider crab is now a

2:19sitting target.

2:24It gets the full death ray treatment.

2:33A crab's eye view of an untimely end.

2:43But it's still live and kicking.

2:49It's not over yet.

2:58This time, the ray did it a favor.

3:05Back firmly on its own eight feet, our

3:07spy heads to the fortress.

3:13It has a tower of crustaceans to climb.

3:20But there's no need.

3:22The crabs come to our spy.

3:34They create a shield of legs and armor.

3:38A living citadel built on sand.

3:43Moving on.

3:45Destroy.

4:02I

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Army of Crabs Protect Spy Robot From Stingray | Spy In The Ocean | BBC Earth

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