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'for 7 males and 1.01 km'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 nonwoodland 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
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