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Survival of cackling Canada geese, 1982-1988

Journal of Wildlife Management

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Abstract

We estimated seasonal and annual survival rates of cackling Canada geese (Branta canadensis minima ) for the period 1982-1989 to identify periods of high mortality and assess effects of harvest management decisions. We tested hypotheses about age- and sex-specific variation in survival, seasonal variation in survival rates, and variation in survival between years in which hunting seasons were open and closed. Geese were marked with individually identifiable neckbands and observed from autumn through spring. We used these data to estimate survival rates for 3-month periods in early (EW) and late (LW) winter and a 6-month period in summer (SU). Mean annual survival rates of immature females were lower than those of adults over the entire study. Survival rates of immature males were lower than those of adults during the 2 years with sport hunting seasons. We found no evidence of sex-specific differences in seasonal or annual survival rates of immature geese.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Survival of cackling Canada geese, 1982-1988
Series title:
Journal of Wildlife Management
Volume
56
Issue:
1
Year Published:
1992
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
63-73
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Wildlife Management
First page:
63
Last page:
73
Number of Pages:
11