* North American Beaver: The largest rodent in North America, weighing between 30 and 70 pounds.
* Capybara: The largest living rodent in the world, native to South America. They can weigh up to 146 pounds, but are usually around 80-100 pounds.
* Marmot: A large ground squirrel, with species ranging from 3 to 15 pounds.
* Paca: Found in Central and South America, these rodents can weigh up to 25 pounds.
* Guinea Pig: A popular pet, weighing between 1 and 2.5 pounds.
As you can see, beavers are quite large compared to other rodents. While they may not be the absolute largest, they are definitely among the biggest, and their size is a key factor in their ability to build dams and lodges.