BRIGHT colours in the natural world are often a warning. In the case of tiger snakes, blue-ringed octopuses, arrow-poison frogs, hornets and many other species, the warning is that the animal ...

Camouflage ranks highly among the arts of war. Thanks to innovations such as fractal colouration patterns, which mimic nature by repeating shapes at different scales, the distance from which naked ...

A team discovered that a single gene, CLCN2, is involved in these variations. In many animals, skin colouration and its patterns play a crucial role in camouflage, communication, or thermoregulation.

In regions with high rainfall and cold temperatures, most birds have dark plumage colours. This is what a global analysis of colour variation in birds revealed. The study of an international team of ...

Primate species with better colour vision are not more likely to have red skin or fur colouration, as previously thought. The findings, published this week in the Biological Journal of the Linnean ...

Recognising venomous from non-venomous snakes is vital for safety. Key traits include head shape, pupil shape, colouration, tail features, body size, and defensive behaviours. Venomous species ...

Rebecca James' images included two birds - one with the eye colouration, pictured left - greeting each other after returning from sea An eye colouration found in seabirds that have survived avian ...