Red-shouldered hawk home-range and habitat use in southern California. Bloom, PH; McCrary, MD; Gibson, M. Journal of Wildlife Management, 57(2):258-265, 1993.
abstract   bibtex   
Space and habitat use patterns of adult red-shouldered hawks (Buteo lineatus elegans ) in southern California are relevant to land-use planning and the conservation of this species. Thus, we determined average home-range size through radio telemetry to aid such planning. Average home-range size was 1.21 km super(2) for 7 males and 1.01 km super(2) for 6 females. A non-territorial male floater used a home range 30 times larger than the mean of 7 other males. Core areas averaged 7.5% and 4% of home-range size for males and females, respectively. Red-shouldered hawks used 4 woodland habitats more than expected due to chance, and 4 non-woodland habitats less than expected; the overall pattern of habitat use was the same for both sexes. Home ranges in mesic riparian habitats were smaller than those in more xeric oak (Quercus) spp.) woodlands. Two pairs of red-shouldered hawks showed a high degree of adaptability to human-altered habitats and human disturbance. A mosaic of habitats in an area encompassing greater than or equal to 1.21 km super(2) of predominantly woodland habitats appeared adequate for 1 pair of red-shouldered hawks in southern California.
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 title = {Red-shouldered hawk home-range and habitat use in southern California},
 type = {article},
 year = {1993},
 keywords = {Buteo lineatus elegans,California,USA,habitat utilization,home range},
 pages = {258-265},
 volume = {57},
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 abstract = {Space and habitat use patterns of adult red-shouldered hawks (Buteo lineatus elegans ) in southern California are relevant to land-use planning and the conservation of this species. Thus, we determined average home-range size through radio telemetry to aid such planning. Average home-range size was 1.21 km super(2) for 7 males and 1.01 km super(2) for 6 females. A non-territorial male floater used a home range 30 times larger than the mean of 7 other males. Core areas averaged 7.5% and 4% of home-range size for males and females, respectively. Red-shouldered hawks used 4 woodland habitats more than expected due to chance, and 4 non-woodland habitats less than expected; the overall pattern of habitat use was the same for both sexes. Home ranges in mesic riparian habitats were smaller than those in more xeric oak (Quercus) spp.) woodlands. Two pairs of red-shouldered hawks showed a high degree of adaptability to human-altered habitats and human disturbance. A mosaic of habitats in an area encompassing greater than or equal to 1.21 km super(2) of predominantly woodland habitats appeared adequate for 1 pair of red-shouldered hawks in southern California.},
 bibtype = {article},
 author = {Bloom, PH; McCrary, MD; Gibson, MJ},
 journal = {Journal of Wildlife Management},
 number = {2}
}

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