The plains variety of this animal has gray markings that are known as shadow stripes
The first known drawing of a North America butterfly was of an eastern 
tiger... [DOC] [TLE] Camouflage - Wikipedia [PAR] Camouflage is the use of any combination of materials, coloration, or illumination 
for ..... For ships, dazzle camouflage was mainly replaced with plain grey in the 
Second .... markings such as spots or stripes to break up the outlines of an animal 
or ... of North America, have evolved elaborate measures to eliminate shadow.