Effects of Forest Patch Size on Nesting Success of Wood Thrushes

Declines of many forest-dwelling Neotropical migrants have been attributed, in part, to fragmentation of forest habitat on the breeding grounds in North America. During 1990-1991, we determined reproductive success of Wood Thrushes (Hylocichla mustelina) nesting within contiguous forest habitat (>...

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Bibliographic Details
Published in:The Auk 1995-01, Vol.112 (1), p.146-155
Main Authors: Hoover, Jeffrey P., Brittingham, Margaret C., Goodrich, Laurie J.
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal reproduction
Animal, plant and microbial ecology
Animals
Aves
Biological and medical sciences
Bird nesting
Birds
Brood parasitism
Deciduous forests
Demecology
Forest ecology
Forest fragmentation
Forest habitats
Forests
Fundamental and applied biological sciences. Psychology
Hylocichla mustelina
Nesting
Nesting sites
Ornithology
Predation
Predators
Reproduction
Vertebrata
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Summary:Declines of many forest-dwelling Neotropical migrants have been attributed, in part, to fragmentation of forest habitat on the breeding grounds in North America. During 1990-1991, we determined reproductive success of Wood Thrushes (Hylocichla mustelina) nesting within contiguous forest habitat (>10,000 ha) and in nine forest fragments ranging in size from 9.2 to 126.5 ha in Berks County, Pennsylvania. We located 171 Wood Thrush nests. Nesting success differed significantly among forest size categories, with 86% of the nests successful in contiguous forest, 72% successful in large fragments (>100 ha), and 43% successful in small fragments (
ISSN:0004-8038
1938-4254
2732-4613
DOI:10.2307/4088774