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Movements and habitat use of mallard broods in northeastern California

Journal of Wildlife Management

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Abstract

To increase recruitment of mallards (Anas platyrhynchos), wildlife managers must understand the habitat and space needs of mallard broods. During 1989-90, we examined the movements, home range, and habitat use of 27 radio-marked mallard broods on Lower Klamath National Wildlife Refuge, California. Twelve of the 27 broods made 22 relocation movements (>1,000 m in 24 hr) in the first week (n = 6) and after the fourth (n = 16) week of life. Mean home range size was 0.93 km2 (SE = 0.25) and did not differ between years (P = 0.26). Brood-rearing females selected seasonally flooded wetlands with a cover component and avoided open or permanently flooded habitats. In 1989, broods hatched in permanent wetlands were less successful in fledging (P = 0.006) radio-marked ducklings than broods from seasonal wetlands, suggesting habitat availability or movement to preferred habitats may affect duckling survival.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Movements and habitat use of mallard broods in northeastern California
Series title:
Journal of Wildlife Management
Volume
58
Issue:
1
Year Published:
1994
Language:
English
Contributing office(s):
Northern Prairie Wildlife Research Center
Description:
p. 88-94
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Wildlife Management
First page:
88
Last page:
94
Number of Pages:
6