Uncharismatic Fact of the Day
Some helmets were made to protect the head, and some were made to just look cool, and the smooth helmeted iguana's headgear is definitely the latter. Adults sport a large, triangular crest on their heads, which likely helps to regulate their body temperature and to break up their silhouette so that it's harder for predators to spot them. Plus, it just looks cool!
(Image: A smooth helmeted iguana (Corytophanes cristatus) by Hans Hillewaert)








