Beavers are often referred to as "ecosystem engineers" due to their significant role in shaping freshwater ecosystems. Their activities, such as building dams and lodges, create unique habitats ...

How large they grow: Beavers are the second-largest living rodents after capybaras. They can grow up to 3.5 feet long nose to tail and weigh up to 60 pounds – the weight of a medium-sized dog ...