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Survival and band recovery rates of mallards in New Zealand

Journal of Wildlife Management

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Abstract

Mallards (Anas platyrhynchos ) were banded at 4 discrete study areas in New Zealand. We used hunting season recoveries in conjunction with band recovery models to estimate annual survival and recovery rates and to test hypotheses about sources of variation in these rates. Recovery rates varied among the 4 areas and from year to year within areas. Recovery rates were generally higher for young mallards than for adults, and recovery rates of males were higher than those of females. Survival rates varied among the 4 areas and from year to year within some areas. Survival rates of females were lower than those of males, but survival rates of young birds were not consistently lower than those of adults. Average survival rates over all 4 areas were generally lower than averages for North American mallards.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Survival and band recovery rates of mallards in New Zealand
Series title:
Journal of Wildlife Management
Volume
54
Issue:
4
Year Published:
1990
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
629-636
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Wildlife Management
First page:
629
Last page:
636
Number of Pages:
8