Nutrias in the snow, Germany (@ Naturfoto-Online/Alamy)
- They might look pretty cute but these guys are capable of environmental devastation.""In areas of wetland, they\re like a rat up a drainpipe
- Some people claim rodents of unusual size are an urban myth.""Do they even exist?
- These 20-pound varmints have enormous heads, taking up a third of their bodies.""Behold a “perfect eating machine”
- In 1989, UK environmental chiefs ordered the extinction of the nutria.""So how do you explain this grisly discovery?