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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.
Erythrism or erythrochroism refers to an unusual reddish pigmentation of an animal's hair, skin, feathers, or eggshells. [1] Causes of erythrism include: Genetic mutations which cause an absence of a normal pigment and/or excessive production of others [2] Diet, as in bees feeding on "bright red corn syrup" used in maraschino cherry ...
Animal colouration is the general appearance of an animal resulting from the reflection or emission of light from its surfaces. Some animals are brightly coloured, while others are hard to see. In some species, such as the peafowl, the male has strong patterns, conspicuous colours and is iridescent, while the female is far less visible.
Early mammal ultraviolet vision, or ultraviolet sensitivity, included sensitivity in the wavelength ranges between 350 nm and 430 nm . [8] These wavelengths are shorter than visible light but longer than X-rays. In some rare cases, some modern day humans can see within the UV spectrum at wavelengths close to 310 nm . [9]
The following is a list of animals that are or may have been raised in captivity for consumption by people. For other animals commonly eaten by people, see Game (food) . Mammals
In the wild the species has been observed to consume all manner of vertebrate prey, including birds, reptiles, amphibians, mammals and possibly even fish. [ 10 ] [ 11 ] "More than 50% of the individuals fed on prey weighing up to 20% of their own body mass and about 20% preyed on animals weighing from 40-95% of their masses."
All snakes are strictly carnivorous, preying on small animals including lizards, frogs, other snakes, small mammals, birds, eggs, fish, snails, worms, and insects. [ 26 ] : 81 [ 27 ] [ 101 ] Snakes cannot bite or tear their food to pieces so must swallow their prey whole.
A molluscivore is a carnivorous animal that specialises in feeding on molluscs such as gastropods, bivalves, brachiopods and cephalopods.Known molluscivores include numerous predatory (and often cannibalistic) molluscs, (e.g.octopuses, murexes, decollate snails and oyster drills), arthropods such as crabs and firefly larvae, and, vertebrates such as fish, birds and mammals. [1]