请问谁能帮找下 加拿大海狸的英文介绍

我只能找到这一点：
American Beaver
The American Beaver (Castor canadensis) is a large semi-aquatic rodent native to Canada, most of the United States and parts of northern Mexico. Its fur is dark brown. It has a rounded head, a large flat paddle-shaped tail and webbed hind feet. The unwebbed front paws are smaller, with claws. This is the largest rodent found in North America; the only larger rodent is the South American Capybara.

http://www.saskschools.ca/~avonlea2/grass3/grade910sc/indexsarah.htm
这里有生活习性等介绍,有点少,不知道够不够你用.

beaver~
Canadian National symbols are influenced by natural, historical, and First Nations sources. Particularly, the use of the maple leaf, as a Canadian symbol, dates back to the early 18th century and is depicted on its current and previous flags, the penny, and on the coat of arms.[66] Other prominent symbols include