Size and weight

The white-tailed deer is highly variable in size, generally following both Allen's rule and Bergmann's rule that the average size is larger farther away from the equator. North American male deer (bucks) usually weigh 150 to 300 lbs, but mature bucks over 400 lb have been recorded in the northernmost reaches of their native range, namely Minnesota, Ontario, and Manitoba. In 1926, Carl J. Lenander Jr. took a white-tailed buck near Tofte,