Plesiosaurs evolved awkward long necks thanks to their big bodies

An ultra-long neck would seem to put aquatic plesiosaurs at a disadvantage, but it turns out their big bodies helped avoid drag while swimming

Plesiosaurs evolved awkward long necks thanks to their big bodies
An ultra-long neck would seem to put aquatic plesiosaurs at a disadvantage, but it turns out their big bodies helped avoid drag while swimming