Identification Guide to North American Birds. Part II

By M. Gustafson. 2009

484 citations recorded by the source corpus.

Subfields: Ecology

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Alarm calls of tufted titmice convey information about predator size and threat (2010, background): “One possible explanation for this is that their larger size (mean body mass ¼ 21.5 g for tufted titmice vs. 10.5 g for Carolina chickadees; Dunning 1993; Pyle 1997) may make titmice more vulnerable to predation by sharp-shinned or Cooper’s hawks than chickadees.”
Shorebird Ecology, Conservation, and Management (2010, background): “In some cases he has missed relevant theory; for example, Pyle (2008) and others have argued that the diversity of patterns of first-year primary molt among migratory shorebirds relate to nonbreeding ranges (“Northern Hemisphere strategy” versus “Southern Hemisphere strategy”), bringing a useful…”
Interspecific variation in avian blood parasites and haematology associated with urbanization in a desert habitat (2008, methodology): “Age (hatchyear, HY; after-hatch year, AHY) was determined using flight feather and rectrix characteristics and the degree of skull pneumatization (Pyle 1997).”