Female Uca mjoebergi fiddler crabs prefer male robot crabs who increase the tempo of their claw-waving during courtship.
Female Uca mjoebergi fiddler crabs prefer male robot crabs who increase the tempo of their claw-waving during courtship.
Female Uca mjoebergi fiddler crabs prefer male robot crabs who increase the tempo of their claw-waving during courtship.