It is therefore possible that keeled scales further improve the camouflage effects already provided by skin coloration, countershading and disruptive patterns.
Some predators, like the leopard, and some potential prey like the Egyptian Nightjar, use disruptive patterns.
Cott called this a "coincident disruptive pattern".
The effects of rampant overfishing in Latin America are often amplified by the disruptive patterns of El Nino.
The pattern consists of a disruptive pattern of hard-edged polygons, with sharp corners between coloured patches.
Seen against a plain, bleak background, most disruptive patterns fail miserably, but there are few such backdrops in nature.
One highly specialised form of disruptive pattern is the eye-mask.
She has known but one way to run, as hard as she could, even in practice, and her career has fallen into a familiar, disruptive pattern.
Fish such as Dascyllus aruanus have bold disruptive patterns on their sides, breaking up their outlines with strong contrasts.
For example, his black-and-white potoo shows this rainforest bird sitting motionless on a mottled tree trunk, its behaviour and disruptive pattern combining to provide effective camouflage.