The Caru (Du. "Elk" S."Arnarassath") was a large brown Deer commonly found in northern Eriador and Lindon, but ranging throughout the cooler parts of northwestern Middle-earth. It was the only Deer species, save the Losrandír, in which both the males and females sported antlers.
Caru travelled in huge herds of one to twenty thousand and ranged over vast areas of open country or broken woodlands. Feeding on grass and other tundra plants in the summer, some roamed well into the Far North.
- Retrieved from Realms of Arda; original reference: [ICE MERP 2012]