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Hunting American Beaver Page
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American Beaver
Castor canadensis
Habitat: Beavers are capable of invading reservoirs, canals, and irrigation ditches as long as food resources are available. In Colorado they are common in areas with abundant aspen, cottonwood, or willow especially in broad glacial valleys with low stream gradients (Retzer et al. 1956, Rutherford 1964).
Diet: Bark, buds, leaves, and twigs of quaking aspen, willows, and cottonwoods are preferred. In addition, they eat alder, river birch, oakbrush, and conifers.
Description: This is the largest rodent in North America with blackish to dark brown coloration. The long guard hairs may create a coarse appearance and the ears are short and rounded. The tail is flat, scaly, and sparsely haired. The legs are short and the hindfeet are webbed. The toes of the hindfeet have split nails used to comb the fur. Measurements are: total length 850-1,200 mm; length of tail 200-350 mm; length of hindfoot 180-200 mm; length of ear 27-30 mm; weight 16-32 kg.
Range in Colorado: Beavers occur statewide in suitable habitat, marked by adequate supplies of water and food, whether in the alpine zone or on the eastern plains.
Status: CDOW Furbearer
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