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Those studies revealed that the dinosaur had reddish-brown-pigmented skin with countershading across its the body.
Countershading is a pattern that serves to conceal shadows on an animal, making it appear more flat optically and less conspicuous, Vinther said.
Although Castoria differs in numerous aspects with respect to Deltamys, both share weak countershading, a moderately long tail, and the general "soricine" external aspect.
Gravity and light influence the countershading reflexes of the cuttlefish Sepia officinalis.
The principles of realistic painting were essential, but so also was countershading to hide the shadow of the underside of objects, and disruptive patterning to break up form in space.
A number of woodland and wetland animals eliminate telltale shadows by a color pattern called countershading, in which a darker back and flanks gradually merge into a lighter belly.
The only possible cryptic coloration is the lack of color, or what is called countershading, which consists of having a dark, shaded dorsal surface which will not stand out against the ocean bottom when seen from above, and a clear, reflective ventral surface that may be mistaken for the surface when seen from below.
The skin shows countershading, which even today is "a common form of camouflage in which an animal's underside is lighter than its back," a statement from Cell Press, publisher of the journal where the study appeared Thursday, said.
Body pelage with strong countershading; Amphinectomys upper incisors orthodont 9'.
Ventral bioluminescent countershading in midwater cephalopods.
American artist Abbott Thayer (1849--1921), well known for his paintings of angels and nature scenes, recognized that the light colors and countershading that help camouflage aquatic birds could be similarly useful in concealing naval vessels.
"It exhibits countershading like many other sharks.
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