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. Animal Ecology. Animal ecology. the elimination ot these competing species, or possi- l)ly the cliaiige in climatic conditions, makes other s|)ecies more abundant. This is especially noticeable among birds—the red-breasted nuthatch, brown creeper, winter wren, golden-crowned kinglet, soli- tary vireo, black-throated green warbler, black- i)urnian warbler, Canada warbler, and slate-colored jiinco attaining much larger populations in the Smoky Mountains of Tennessee than in northern Ontario. In addition the veery, black-throated blue warbler, and often black and white warblers become numerous.
. Animal Ecology. Animal ecology. the elimination ot these competing species, or possi- l)ly the cliaiige in climatic conditions, makes other s|)ecies more abundant. This is especially noticeable among birds—the red-breasted nuthatch, brown creeper, winter wren, golden-crowned kinglet, soli- tary vireo, black-throated green warbler, black- i)urnian warbler, Canada warbler, and slate-colored jiinco attaining much larger populations in the Smoky Mountains of Tennessee than in northern Ontario. In addition the veery, black-throated blue warbler, and often black and white warblers become numerous. This constitutes a variation in the boreal forest biociation (Stewart and Aldrich 1952) which may be designated the Appalachian jaciation. \Mien hemlock, which reaches its best develop- ment in the Appalachian Mountains, and spruce-fir forests occur in the same region, some bird species adaptable to both show a definite preference for one over the other. In Table 23-1 it is evident that the red-breasted nuthatch, brown creeper, winter wren, veery, golden-crowned kinglet, and slate-colored junco prefer the spruce-fir forest, while the black- capped chickadee, possibh' the solitary vireo, black- throated blue warbler, black-throated green warbler, blackburnian warbler, and Canada warbler prefer hemlock forests. A similar differentiation of bird populations in these two forests is also evident in. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kendeigh, S. Charles (Samuel Charles), 1904-. Englewood Cliffs, N. J. , Prentice-Hall
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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectanimalecology