Tits, warblers, and finches: Foliage-gleaning birds of nearctic and palearctic boreal forests
Article Abstract:
Two major patterns of abundance of different types of canopy foliage-gleaning birds are described covering four sites in boreal forest. The Chaffinch is abundant in agricultural habitats during the nonbreeding season. It is suggested that warblers do well when there is high resource productivity during the breeding season. Patterns of relative abundance support both the Resource Seasonality Hypothesis and the Ecological Replacement Hypothesis.
Publication Name: The Condor
Subject: Biological sciences
ISSN: 0010-5422
Year: 1999
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Interspecific aggression by Yellow Warblers in a sun coffee plantation
Article Abstract:
Interspecific aggression is common among male Yellow Warblers in the sun coffee plantations of Guatemala. Most of the aggressive and patrolling behavior is directed towards small insectivorous migratory species. The Yellow Warblers are found in the shrub or coffee layer for a considerable time. They displace only birds in a small local area and avoid chasing their subordinates completely from their territory.
Publication Name: The Condor
Subject: Biological sciences
ISSN: 0010-5422
Year: 1996
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Nonbreeding habitat selection and foraging behavior of the Black-throated Green Warbler complex in southeastern Mexico
Article Abstract:
Research is presented concerning the composition of 166 mixed-species flocks of warblers to determine their foraging behavior and the selection of habitat during the nonbreeding period.
Publication Name: The Condor
Subject: Biological sciences
ISSN: 0010-5422
Year: 2001
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