Changes

===Introduction===

===Introduction===

[[File:Damalinia equi.jpg|thumb|200px|right|Chewing louse <br>Courtesy of The Donkey Sanctuary]]

[[File:Damalinia equi.jpg|thumb|150px|right|Chewing louse <br>Courtesy of The Donkey Sanctuary]]

[[Image:Sucking Louse.jpg|thumb|right|150px|Sucking Louse ''Pediculosis humanus'' <br> Smith VS et al. 2004, WikiMedia Commons]]

[[Image:Sucking Louse.jpg|thumb|right|150px|Sucking Louse ''Pediculosis humanus'' <br> Smith VS et al. 2004, WikiMedia Commons]]

Lice are obligate ectoparasites of every avian and most mammalian species. They are only a few millimeters long and like [[Fleas|fleas]], are wingless but unlike fleas are dorsoventrally flattened.

Lice are obligate ectoparasites of every avian and most mammalian species. They are only a few millimeters long and like [[Fleas|fleas]], are wingless but unlike fleas are dorsoventrally flattened.