Mule Deer

Mule Deer

Because nutritious forage is in poor supply for much of the year, the mule deer has an annual cycle of metabolic rates, capitalizing on abundant, high-quality forage in the summer and surviving on a lower intake of poor-quality forage during the winter.

Because nutritious forage is in poor supply for much of the year, the mule deer has an annual cycle of metabolic rates.

A higher energy flux and food intake in the summer enables the mule deer to capitalize on abundant high-quality forage for growth and fat storage.

A lower energy flux in the winter permits the mule deer to survive on a lower intake of poor-quality forage while minimizing the catabolism of stored fat for body functions.

The estimated rate of food intake is about 22 grams per kilogram of body weight per day. In adult males, food intake drops abruptly with the onset of rut.


Image | © Tony’s Takes, Some Rights Reserved (CC BY-NC-ND 2.0)
Sources | (Anderson & Wallmo, 1984; Misuraca, 1999; Short, 1981)

Learn More About the Mule Deer

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