Photo courtesy of Dean Hellinger
These two beavers were trapped in Marias River country sometime in the 1940s. The second-heaviest rodent in the world, a beaver can weigh as much as 66 pounds.1 The one on the right may not have been a record, but it could well have raised the average.
1. The heaviest is the capybara, of South America, which can weigh in at 146 pounds.