Aspects of seasonal energy expenditure in the beaver ( Castor canadensis Kuhl) at the northern limit of its distribution

• Published in: Canadian Journal of Zoology
• Main Authors: Aleksiuk, Michael, Cowan, Ian McTaggart
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1969
• Subjects: Animal Science and Zoology; Ecology, Evolution, Behavior and Systematics; Northwest Territories; Mackenzie Delta
• Online Access: http://dx.doi.org/10.1139/z69-086; http://www.nrcresearchpress.com/doi/pdf/10.1139/z69-086

The beaver (Castor canadensis Kuhl) is subjected to a seasonally fluctuating energy regime in the northern portion of its distribution. During the summer the animal has free access to an abundant food supply in the form of growing plant material, while the winter food supply is limited to a store of...