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New enquiry onSinosauropteryx’scoloring let out that the feather dinosaur sported not only a raccoon - like face mask , but also striped approach pattern and countershading — that is , a dark back and lightheaded belly . Animals still expend that trait today to stay camouflaged from predators and prey , the researcher state .
" Far from all being the log prehistorical gray brute of past children ’s books , at least some dinosaur read sophisticated colour patterns to obliterate from and confuse predator , just like today ’s animal , " study lead-in researcher Fiann Smithwick , a postgraduate study of geology at the University of Bristol in the United Kingdom , say in a argument . [ Photos : This Plant - Eating Dinosaur Had Spikes , Armor and Camouflage ]
A fossil and drawing of the dinosaurSinosauropteryx. Notice that the fossil shows the creature’s well-preserved, darkly pigmented feathers and stomach contents. The scale bar represents 2 inches (50 millimeters).
To decipherSinosauropteryx’scoloring , researchers study well - preserved fossils of the small bird-footed dinosaur ( a two-footed , kernel - eating dinosaur ) found in the Jehol Biota ofChina . The scientist ' work revealed that the Cretaceous - age dinosaur had dark - colorise feathers on different parts of its body , including a stripy tail , the investigator said .
Sinosauropteryx’scountershadingwould have helped it stay incognito even on a sunny day . Here ’s how it works : During the daytime , the Dominicus illuminate the top of an animal ’s body and casts shadow on its undersurface . This upshot helps animate being ( let in humans ) see object as three - dimensional .
" In counter - shaded animals , the top surface is darker and the crushed surface is lighter , " the research worker order in a video . " This evens out the effect of shade , so counter - shaded animals appear less three - dimensional , " a benefit that avail these animate being avoid predators and stalk prey , the researchers said .
An illustration ofSinosauropteryx, a well-camouflaged dinosaur with a “masked” face that lived about 130 million years ago during the Cretaceous period.
Countershadingalso provide researchers clues about an animal ’s habitat . Creatures likeSinosauropteryx , with striking countershading that set about high up on their bodies , be given to live in loose environments with little vegetation , such as savannas . Animals with more - subtle countershading that pop lower on the physical structure tend to live in covered areas , such as forests , the investigator said .
The field of study was published online today ( Oct. 26 ) in thejournal Current Biology .
Original article onLive Science .
