He’s our colleague, even if it’s a little lame and awkward!

(1)a flock of stingrays that eat 50 crabs a day
(2)stingrays that hunt relatively less hard-shelled individuals among many crabs

(1)The survival strategy of crabs is to prevent hard-shelled individuals by covering relatively light individuals with their bodies to defend them against land
(2)They recognize the robot crabs they sent to film their ecology as hominids
(3)The little one hiding underneath

(1)If you find weak crabs that are out of luck
(2)stingrays that cover it with a wide body and then lose weight inside by crushing the crab shell
(3)Taking advantage of that moment, the young crab runs away quickly

(1)A safer place to hide in the crowd
(2)It’s hard to complete a solid defensive formation

(1)When you’re alone, the robot becomes a target
(2)The robot crab quickly ran away into the crab herd

(1)It’s a robot trying to climb onto the crab pack
(2)But it doesn’t seem necessary

(1)Crowds of crabs flock to protect the crab robot
(2)Now the robot crab is safe, surrounded by armor and shields like a giant citadel

(1)He saved the baby
(2)Now it’s our turn to save him!
(3)Source of video BBC Earth