04:33 Fiddler crabs woo mates with claw waving and drumming The elaborate courtship displays of male fiddler crabs with their massive claws signal their fitness to females. Read more: 0
04:33 Living rubber glove waving to you – magic trick HD Subscribe! Placed in a water bottle without a bottom of the glove imposed. Immersion in water bottle compresses air in the bottle and a rubber glove filled. Increased pressure depends … 0