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Format: HTML Label: Wilson Ornithological Society Manufacturer: Wilson Ornithological Society Number Of Pages: 11 Publication Date: March 01, 1999 Publisher: Wilson Ornithological Society Release Date: July 28, 2005 Studio: Wilson Ornithological Society Browse for similar items by category: Click to Display Editorial Review: Product Description: This digital document is an article from Wilson Bulletin, published by Wilson Ornithological Society on March 1, 1999. The length of the article is 3268 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser. From the author: From an analysis of nest site habitat data at 24 Sharp-shinned Hawk (Accipiter striatus) and 52 Cooper's Hawk (A. cooperii) nests in Wisconsin, we conclude that Cooper's Hawks tend to nest in stands with lower densities of taller and larger trees than do Sharp-shinned Hawks, and that Cooper's Hawks also tend to nest in sites with a greater proportion of hardwood cover than Sharp-shinned Hawks. Significant interspecific differences were found in combined habitat types (hardwoods, mixed conifer-hardwoods, and conifer plantations) for nest tree height and nest tree DBH (diameter at breast height); nest height; nest height relative to tree height: canopy height: canopy cover; tall shrub density: tree density; and mean DBH. Nest sites of the two species were similar in terms of understory canopy cover, ground cover, low shrub index, understory tree density, basal area, distance to nearest forest opening, and distance to water. We detected few significant intraspecific differences in nest site habitat, and these only in the Cooper's Hawk. Citation Details Title: Comparative nest site habitats in sharp-shinned and Cooper's hawks in Wisconsin. Author: Dale R. Trexel Publication: Wilson Bulletin (Refereed) Date: March 1, 1999 Publisher: Wilson Ornithological Society Volume: 111 Issue: 1 Page: 7(8) Distributed by Thomson Gale In association with Amazon.com | |