Heavily armored herbivorous dinosaur had reddish camouflage to deter predators. Analysis of organic material from a 110m-year-old nodosaur suggests it had red and white counter-shading pigmentation it used for camouflage, indicating its spikes alone did not put off predators.

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Heavily armored herbivorous dinosaur had reddish camouflage to deter predators. Analysis of organic material from a 110m-year-old nodosaur suggests it had red and white counter-shading pigmentation it used for camouflage, indicating its spikes alone did not put off predators.