|An armadillo girdled lizard has some impressive body armor, but does it do what we think it does?|
Image by Handre Basson at Wikimedia Commons.
And to learn more, check this out:
Broeckhoven, C., Diedericks, G. and le Fras Mouton, P. What doesn’t kill you might make you stronger: functional basis for variation in body armour, Journal of Animal Ecology, 84, 1213–1221 (2015). DOI: 10.1111/1365-2656.12414.