Pigeons never forget a face

New research has shown that feral, untrained pigeons can recognise individual people and are not fooled by a change of clothes.

Lizards keep it local when it comes to colour change

Driving out in the Australian desert you may come across a bright orange two-foot long lizard perched on a tree stump. It will be a bearded dragon, surveying its territory. But if you stop and get out of your car, it will ...

How to color a lizard: From biology to mathematics

From the clown fish to leopards, skin colour patterns in animals arise from microscopic interactions among coloured cells that obey equations discovered by the mathematician Alan Turing. Today, researchers at the University ...

Fish camouflage sends mixed messages to aggro males

Colour-changing fish have only one skin, but they use it to communicate social status, attract mates, avoid predators and more. So what happens when those functions collide?

Snakes reveal the origin of skin colours

The skin color of vertebrates depends on chromatophores—cells found in the superficial layers of the epidermis. A team of specialists in genetic determinism and color evolution in reptiles from the University of Geneva ...

Painting by numbers

Individuals of a particular species generally differ from one another. We are clearly most adept at recognizing members of our own species, although dog and cat owners will be ready to confirm that their pets look unique. ...

Mosquitoes might be attracted to certain colors

There's no question that finding yourself covered in mosquito bites quickly takes the shine off a pleasant summer evening. But mosquitoes are more than a nuisance. They're also the deadliest creatures on Earth, owing to the ...

page 1 from 2