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Microclimate of ground nests: the relative importance of radiative cover and wind breaks for three grassland species

Article Abstract:

A study was conducted on the effects of microclimactic factors on ground nests and the importance of radiative cover at nest sites for the McCown's Longspur, Horned Lark and Lark Bunting. These ground-nesting birds exhibited differing nest placement strategies and an examination of relative wind velocities at nests revealed that Longspur and Horned Lark nests were better sheltered from the wind than that of Lark Buntings. Examination of the relation between bunting nests and overhanging vegetation showed that it could be a method for obtaining radiative cover.

Author: With, Kimberly A., Webb, D.R.
Publisher: Cooper Ornithological Society
Publication Name: The Condor
Subject: Biological sciences
ISSN: 0010-5422
Year: 1993
Emberiza, Buntings (Birds), Larks

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Artificial snags as nesting sites for chickadees

Article Abstract:

Chickadees take snags as nesting sites and Carolina chickadees lack preference between filled and empty cavities for nesting. Black-capped chickadees seem to resemble the closely-related willow tit in showing a preference for excavating a nest site. Carolina chickadees indulge in roosting and nesting without bothering about shrub cover near the snag. Chickadees in a hybrid zone show preference for nesting within the taller of the two cavities.

Author: Bronson, C.L., Grubb, Thomas C., Jr
Publisher: Cooper Ornithological Society
Publication Name: The Condor
Subject: Biological sciences
ISSN: 0010-5422
Year: 1995
Analysis, Nest building

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The effect of thermal microclimate on foraging site selection by wintering mountain chickadees

Article Abstract:

The relationship between thermal microclimate and foraging site selection for Mountain Chickadees was evaluated in Feb. and Mar. 1992. Dataloggers and mounted sensors were used to measure air temperature, wind speed and solar radiation at 465 foraging sites and 525 available sites. Sites with higher air temperatures and lower wind speed were favored by the birds over available foraging sites.

Author: Wachob, Douglas G.
Publisher: Cooper Ornithological Society
Publication Name: The Condor
Subject: Biological sciences
ISSN: 0010-5422
Year: 1996
Quality management, Birdhouses

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Subjects list: Research, Birds, Bird eggs, Bird nests, Chickadees
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