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California Department of Fish and Game <br /> Natural Diversity Database <br /> Full Condensed Report for Selected Elements-Multiple Records per Page <br /> Athene cunicularia <br /> burrowing owl Element Code:ABNSB10010 <br /> Status NDDB Element Ranks Other Lists <br /> Federal: None Global:G4 CDFG Status: SC <br /> State: None State:S2 <br /> Habitat Associations <br /> General: OPEN,DRY ANNUAL OR PERENIAL GRASSLANDS,DESERTS&SCRUBLANDS CHARACTERIZED BY LOW-GROWING VEGETATION. <br /> Micro:SUBTERRANEAN NESTER,DEPENDENT UPON BURROWING MAMMALS,MOST NOTABLY,THE CALIFORNIA GROUND SQUIRREL. <br /> Occurrence No.999 Map Index: 70560 EO Index: 71469 Dates Last Seen <br /> Occ Rank: Excellent Element: 2004-05-25 <br /> Origin: Natural/Native occurrence Site: 2004-05-25 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 2007-11-29 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:Contra Costa <br /> LaULong: 37.82816x/-121.59658° Township: 01S <br /> UTM: Zone-10 N4187677 E623506 Range: 03E <br /> Radius: 80 meters Mapping PrecisionSPECIFIC Section: 24 Qtr:SW <br /> Elevation: 10 ft Symbol Type:POINT Meridian: M <br /> Location:BETWEEN ITALIAN SLOUGH AND CLIFTON COURT FOREBAY,3.5 MILES SE OF BYRON. <br /> Location Detail:THIS 43-ACRE PROPERTY IS SANDWICHED BETWEEN IALIAN SLOUGH AND CLIFTON COURT FOREBAY.BURROWING OWLS ON THE HILLSIDE <br /> WERE USING A PILE OF PIPES AS A PERCH. <br /> Ecological:HABITAT SURROUNDING BURROW(S)CONSISTS OF ALKALI SOILS AND VEGETATION DOMINATED BY STANDS OF IODINE BUSH(ALLENROLFEA <br /> OCCIDENTALIS)AND OPEN AREAS OF LOW-GROWING ALKALI VEGETATION(VEGETATION SPARSE OR ABSENT IN SOME AREAS). <br /> General: AT LEAST 9 OWLS(BOTH ADULTS AND JUVENILES)WERE COUNTED AT ANY ONE TIME ON 20 JUL 2006,PROBABLY REPRESENTING SEVERAL <br /> NEST SITES. <br /> Owner/Manager:PVT <br /> Occurrence No.1232 Map Index: 76545 EO Index: 77488 Dates Last Seen <br /> Occ Rank: Good Element: 2008-06-19 <br /> Origin: Natural/Native occurrence Site: 2008-06-19 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 2009-09-14 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:Alameda <br /> LaULong: 37.76188°/-121.61948° Township: 02S <br /> UTM: Zone-10 N4180293 E621599 Range: 03E <br /> Area: 10.0 acres Mapping PrecisionSPECIFIC Section: 14 Qtr:NW <br /> Elevation: 430 ft Symbol Type:POLYGON Meridian: M <br /> Location:1.5 MI S OF CHRISTENSEN RD BRIDGE AT BETHANY RESERVOIR/CALIF AQUEDUCT,&1.5 MI N OF BM461 ON ALTAMONT PASS RD. <br /> Location Detall:ALTAMONT PASS WIND FARM.MAPPED TO PROVIDED COORDINATES.ACCESSED BY WIND FARM SERVICE ROADS. <br /> Ecological:SHORT GRAZED ANNUAL GRASSLAND WITH VARIABLE SLOPES AND ASPECTS IN THE ALTAMONT PASS WIND RESOURCE AREA(FROM <br /> SOURCE).ABOUT 140 WIND TURBINES WITHIN 1KM OF SITE(AERIAL IMAGES).SITE QUALITY STATED AS"EXCELLENT'IN BAR081=0025. <br /> Threat: THE ALTAMONT PASS WIND FARM IS KNOWN TO KILL MANY BURROWING OWLS ANNUALLY. <br /> General: 2 ADULT PAIRS OBSERVED ON 19 JUN 2008. <br /> Owner/Manager:PVT <br /> Commercial Version--Dated May 01,2010--Biogeographic Data Branch Page 15 <br /> Report Printed on Thursday,July 01,2010 Information Expires 11/01/2010 <br />