Crafty cuttlefish change colour to outwit mating rivals

0
11
Crafty cuttlefish change colour to outwit mating rivals
Media playback is unsupported on your device

Crafty cuttlefish change colour to outwit mating rivals

17 October 2016 Last updated at 05:36 BST

Some male cuttlefish use a clever trick to evade bigger rivals when competing for a mate - they change colour to look female.

Read the full article...