Muuuh Wildlife Photography

North American Beaver  - Castor canadensis

North American Beaver - Castor canadensis

It is the largest rodent, native to North America and introduced to Finland and the Southern tip of South America. Although common, rarely seen around Montreal due to its preference being more active at night.

Common Names

How to Identify

When at land, the size and shape of its tail is a clear characteristic to identify this species. Different to the Groundhog which has a bushy tail, the tail of the Beaver is wide, flat and without hair . Swimming in water, Muskrat and American Mink may be wrongly identified as Beaver, especially on distance. Different to Muskrat, the tail movement of a Beaver is a slow up and down and compared to the American Mink, the body of a Beaver is chubby while the American Mink's body is thin and long.

Where & When to Spot

I have been able to spot Beavers during summer and autumn in Rapids Park Lachine both at land and swimming. In winter, Beavers spent most of the time in the burrow sleeping, rarely leaving the burrow to search for food underwater.

North American Beaver (Castor canadensis)

North American Beaver (Castor canadensis)

ile-saint-bernard - May 12, 2018

NIKON D500; 300.0 mm f/4.0; Focal Length 420mm; Exposure 1/320; Aperture f5.6; Iso 720;
khm-20180512-1244-1526114682

North American Beaver (Castor canadensis)

North American Beaver (Castor canadensis)

Rapids Park Lachine - April 15, 2017

NIKON D500; TAMRON SP AF 150-600mm F5-6.3 VC USD A011N; Focal Length 600mm; Exposure 1/500; Aperture f6.3; Iso 900;
khm-20170415-2029-1492273782

North American Beaver (Castor canadensis)

North American Beaver (Castor canadensis)

Rapids Park Lachine - April 18, 2015

NIKON D7100; 18.0-140.0 mm f/3.5-5.6; Focal Length 140mm; Exposure 1/250; Aperture f5.6; Iso 220;
khm-20150418-2132-1429378334