One of the mysteries of the English language finally explained.
Protective coloration used by some animals in which parts normally in shadow are light and those exposed to the sky are dark.
- ‘The coloration of transparent species, the lack of countershading, and the opacity of guts in deep-sea species are all hypothesized to be defenses against detection by bioluminescence.’
- ‘The countershading of their body is a protective camouflage.’
- ‘We therefore report two experiments designed to test whether countershading enhances protection by diminishing the probability of detection by predators.’
- ‘Because countershading is thought to aid in concealment by reducing shadow in well-lit environments, the hypothesis is partially supported despite no significant associations with other open environments.’
- ‘To blend into their environment, some marine mammals have countershading (their top side is darker that their underneath surfaces).’
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