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Alles weergeven op WikipediaCountershading, or Thayer's law, is a method of camouflage in which an animal's coloration is darker on the top or upper side and lighter on the underside of the body. This pattern is found in many species of mammals, reptiles, birds, fish, and insects, both in predators and in prey. When light falls from … Meer weergeven
The English zoologist Edward Bagnall Poulton, author of The Colours of Animals (1890) discovered the countershading of various … Meer weergeven
Despite demonstrations and examples adduced by Cott and others, little experimental evidence for the effectiveness … Meer weergeven
If countershading paints out shadows, the reverse, darkening the belly and lightening the back, would maximise contrast by adding to the natural fall of light. This pattern of Meer weergeven
In animals
Countershading is observed in a wide range of animal groups, both terrestrial, such as Meer weergevenHannah Rowland, reviewing countershading 100 years after Abbott Thayer, observed that countershading, which she … Meer weergeven
Evolutionary developmental biology has assembled evidence from embryology and genetics to show how evolution has acted at all scales from the whole organism down to individual Meer weergeven
• Synodontis nigriventris, an "upside-down" catfish (with reverse countershading)
• Counterchanging, a heraldic device of similar … Meer weergevenWikipedia-tekst onder CC-BY-SA-licensie Disruptive coloration (also known as disruptive camouflage or disruptive patterning) is a form of camouflage that works by breaking up the outlines of an animal, soldier or military vehicle with a strongly contrasting pattern. It is often combined with other methods of crypsis including background colour matching and countershading; special cases are coincident disruptive coloration and the
Wikipedia · Tekst onder CC-BY-SA-licentie- Geschatte leestijd: 10 min.
WEBCountershading acts as a form of camouflage by 'painting out' the self-shadowing of the body or object. The result is a 'flat' appearance, instead of the 'solid' appearance of the body before countershading.
WEBCountershading. Gedomesticeerde honden tonen soms nog restanten van countershading, een gemeenschappelijke natuurlijke camouflagepatroon. Het principe …
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WEB18 jan. 2018 · Countershading is a color pattern that is observed in a diversity of taxa, across contrasting environments (Rowland 2009), and across ecological time (Smithwick …
WEBCountershading is a form of coloration in which the upper surfaces of the body are more darkly pigmented than the unilluminated lower areas, giving the body a more uniform darkness and a lack of depth relief.
camouflage - National Geographic Society
WEB19 okt. 2023 · Countershading is a form of camouflage in which the top of an animal’s body is darker in color, while its underside is lighter. Sharks use countershading. When …
WEB10 apr. 2017 · Definition. A form of protective coloration in which the body surface closest to the ambient light source is more darkly pigmented than the body surface furthest from …
WEB29 mrt. 2024 · Countershading, or Thayer's law, is a method of camouflage in which an animal's coloration is darker on the top or upper side and lighter on the underside of the …
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