Anyone who’s had to deal with a lice infestation knows how annoying the persistent little pests can be. But humans are far from the first animals to suffer at the expense of these hair- and feather-inhabiting parasites. As far back as the Cretaceous period, insects that resemble modern lice lived and fed on the bodies of dinosaurs.
Source: Lice-Filled Dinosaur Feathers Found Trapped in 100-Million-Year-Old Amber | Portside
Darwiniana 