Elka | Bisonb | Moosec | Deerd | ||||
Age (years) | % pregnant | Age (years) | % pregnant | Age (years) | % pregnant | Age (years) | % pregnant |
Yearling | 12 | Yearling | 4 | Yearling | 0-15 | Fawns | 16 |
2-15 | 97 | 2 | 38 | Adult | 81-87 | Yearling | 68 |
16-21 | 37 | 3-11 | 67 | . | . | 2 | 77 |
. | . | 12+ | 35 | . | . | 3+ | 83 |
a Northern Yellowstone elk herd (Greer 1966).
b Wood Buffalo National Park (Fuller 1962).
c Extremes from various Canadian moose studies (Simkin 1965).
d Llano Basin, Texas, white-tailed deer (Teer et al. 1965).
Updated 05 August 1996