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Skin colors according to von Luschan's chromatic scale. Von Luschan's chromatic scale (VLS) is a method of classifying skin color. It is also called the von Luschan scale or von Luschan's scale. It is named after its inventor, Felix von Luschan. The equipment consisted of 36 opaque glass tiles which were compared to the subject's skin, ideally ...
Zebras may possibly use motion dazzle, confusing a predator's attack by moving a bold pattern rapidly. Some animals are coloured for physical protection, with pigments in the skin to protect against sunburn, while some frogs can lighten or darken their skin for temperature regulation. Finally, animals can be coloured incidentally.
The original was self-made from scratch with the paint program in the likeness of the chart originally printed in Völker, Rassen, Sprachen (1927). The skin colors used were copied from the original chart box per box using the paint program's dropper tool.
Chromatophores in the skin of a squid. Chromatophores are cells that produce color, of which many types are pigment-containing cells, or groups of cells, found in a wide range of animals including amphibians, fish, reptiles, crustaceans and cephalopods. Mammals and birds, in contrast, have a class of cells called melanocytes for coloration.
Holoaden bradei, or the Itatiaia highland frog, is a species of frog in the family Strabomantidae. It is endemic to the Itatiaia Mountains of south-eastern Brazil. It is restricted to an area of 10 km 2 at an elevation of 2,400 to 2,600, the type locality being at 22°21′S, 44°44′W at a location known as Alto Itatiaia.
The color of the Cuban tree frog can vary, ranging from white to gray, green, or brown, and may be marked with irregular, dark stripes or blotches that fade when the frog changes color.
The skin is shed every few weeks. It usually splits down the middle of the back and across the belly, and the frog pulls its arms and legs free. The sloughed skin is then worked towards the head where it is quickly eaten. [61] Being cold-blooded, frogs have to adopt suitable behaviour patterns to regulate their temperature.
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