Sexual selection theory intends to explain, for instance, why male red deer (Cervus elaphus) engage in impressive battles or why peacocks (Pavo cristatus) display colourful features.
Their colourful faces feature a range of moustaches, nose spots and ear tufts that make each of the 25 or more species in the guenon (Cercopithecini) group of monkeys easily identifiable from one another.
Both games are deliciously colourful and feature a wealth of stylish characters to choose from, each engineered to feel like a proper individual, rather than a simple reskin of a repeated class.
Their plumage is generally less colourful than that of other parrots, being mainly white, grey or black and often with coloured features in the crest, cheeks or tail.
The contrast of a colourful Wunderkammer featuring 180 canvases painted by hand strikes with the grey colour of surrounding walls, bringing some reminder to local tradition of chinese colourful paper cutting and the common habit of people to hang up wires on which they put clothes to dry on the public lanes".
He turned to lighter fare with a series of colourful works featuring circus performers; it was first exhibited in 2008.
Their colourful fabrics, featuring vibrant geometric patterns and designs inspired by the natural environment, have long figured in local rituals.
It's a colourful affair featuring the characters and scenery from the film, with similarly riotous humour.
The colourful design features the sun rising behind one of the park's iconic gritstone tors, the Salt Cellar at Derwent Edge.
Her colourful performance featured a string of costume changes courtesy of fashion designer Jeremy Scott, a giant glitzy tiger (or lion, no-one is quite sure) and the suddenly famous 'Left Shark' backing dancer who could not keep in time with the upbeat tunes.
