WLF 448: Fish & Wildlife Population Ecology
Lecture Notes VI, Fall 1996

Age-specific Pregnancy Rates for some North American Ungulates:

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).


Return to Lecture Notes VI: Population Structure.


 


Updated 05 August 1996