Countershading - Wikipedia
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 body. [1] This pattern is …
Coloration - Countershading, Camouflage, Adaptation | Britannica
Countershading 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 …
Countershading Definition and Examples - ThoughtCo
2019年2月6日 · Countershading is a type of coloration commonly found in animals and means that the animal's back (dorsal side) is dark while its underside (ventral side) is light. This …
Countershading Definition & Meaning - Merriam-Webster
The meaning of COUNTERSHADING is cryptic coloration of an animal with parts normally in shadow being light and parts normally illuminated being dark thereby reducing shadows and …
Countershading - SpringerLink
2022年1月1日 · Classically explained as an adaptation for camouflage, countershading describes the color pattern common among animals and is characterized by darker pigmentation on the …
Optimizing countershading camouflage - PMC
Countershading, the widespread tendency of animals to be darker on the side that receives strongest illumination, has classically been explained as an adaptation for camouflage: …
From Abbott Thayer to the present day: what have we learned …
‘Countershading’ is often used to refer both to the phenotype (in which prey have darker pigmentation on those surfaces exposed to most lighting) and to the mechanisms by which …
Countershading - (Oceanography) - Vocab, Definition ... - Fiveable
Countershading is a form of camouflage where an organism has a dark upper side and a lighter underside, helping it blend into its environment. This adaptation is crucial for marine …
Countershading - (Animal Behavior) - Vocab, Definition ... - Fiveable
Countershading is a form of camouflage where an animal's coloration is darker on the upper side and lighter on the underside, helping it blend into its environment. This adaptation is …
Countershading - SpringerLink
2017年4月10日 · The simplest is that countershading is an epiphenomenon resulting from selection acting on only one body surface because pigments are costly to produce (Ruxton et …