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BIRD POPULATIONS - Birdpop.org

BIRD POPULATIONS - Birdpop.org

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DISTRIBUTION AND ABUNDANCE OF BURROWING OWLS IN CALIFORNIAFIGURE 4. Results from the Southern Central Valley region, including numbers of Burrowing Owl pairsdetected during 1991-1993 and 2006-2007. Shown are all 5-km x 5-km lowland blocks (white) and upland blocks(gray) assigned to the region. The entire 2006-2007 survey area and the location of the Southern Central Valleyregion are shown in the inset.[13]

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