ARCHIVED REPORTS HUMAN HEALTH SCREENING EVALUATION

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California Department of Fish and Game Natural Diversity Database Full Condensed Report for Selected Elements-Multiple Records per Page Athene cunicularia burrowing owl Element Code:ABNSB10010 Status NDDB Element Ranks Other Lists Federal: None Global:G4 CDFG Status: SC State: None State:S2 Habitat Associations General: (BURROW SITES) OPEN,DRY ANNUAL OR PERENIAL GRASSLANDS,DESERTS&SCRUBLANDS CHARACTERIZED BY LOW-GROWING VEGETATION. Micro:SUBTERRANEAN NESTER,DEPENDENT UPON BURROWING MAMMALS,MOST NOTABLY,THE CALIFORNIA GROUND SQUIRREL. Occurrence No.170 Map Index: 23897 EO Index: 7343 Dates Last Seen Occ Rank: Poor Element: 1991-08-11 Origin: Natural/Native occurrence Site: 1991-08-11 Presence: Presumed Extant Trend: Unknown Record Last Updated: 1993-09-20 Main Source: MULLEN,D.&G.BEEMAN 1991(OBS) Quad Summary:TRACY(3712164/444B) County Summary:SAN JOAQUIN LaULong: 37.70610o/-121.43022o Township: 03S UTM: Zone-10 N4174366 E638375 Range: 05E Radius: 80 meters Mapping PrecisionSPECIFIC Section: 04 Qtr:NW Elevation: 115 ft Symbol Type:POINT Meridian: M Location:0.4 MILE SE OF THE INTERSECTION OF JEFFERSON BLVD AND VALPICO ROAD,2 MILES SOUTH OF TRACY. Ecological:HABITAT IS A SMALL(<0.5 ACRE)PIECE OF LAND SURROUNDED BY DISKED FIELD. Threat: THREATENED BY AGRICULTURE AND DEVELOPMENT. General: SITE CONTAINED AN ACTIVE BURROW AND AT LEAST 2 RESIDENT OWLS. Owner/Manager:PVT-LYON'S DEVEL CO Occurrence No.201 Map Index: 24674 EO Index: 6557 Dates Last Seen Occ Rank: None Element: 1992-09-28 Origin: Natural/Native occurrence Site: 1992-09-28 Presence: Extirpated Trend: Unknown Record Last Updated: 1993-11-18 Main Source:JENNINGS,J.1992(OBS) Quad Summary:TRACY(3712164/444B) County Summary:SAN JOAQUIN Lat/Long: 37.715520/-121.496840 Township: 02S UTM: Zone-10 N4175315 E632485 Range: 04E Radius: 80 meters Mapping PrecisionSPECIFIC Section: 35 Qtr:NE Elevation: 150 ft Symbol Type:POINT Meridian: M Location:BETWEEN DELTA-MENDOTA CANAL AND SCHULTE ROAD,1.1 MILES WEST OF LAMMERS ROAD,4 MILES SW OF TRACY. Location Detail:BURROW LOCATED AT MILEPOST 325.3 ALONG AN EXISTING GAS PIPELINE. Ecological:HABITAT SURROUNDING THE BURROW CONSISTS OF NON-NATIVE GRASSLAND. General: 2 OWLS WERE FLUSHED FROM A BURROW SITE CONTAINING FEATHERS,PELLETS,AND PREY REMAINS AROUND THE BURROW ENTRANCE. BURROW WAS MONITORED,THEN EXCAVATED(WITH DFG APPROVAL). Owner/Manager:UNKNOWN Occurrence No.250 Map Index: 36446 EO Index: 31443 Dates Last Seen Occ Rank: Fair Element: 1998-08-27 Origin: Natural/Native occurrence Site: 1998-08-27 Presence: Presumed Extant Trend: Unknown Record Last Updated: 1998-10-29 Main Source: CROWE,R.1997(OBS) Quad Summary:TRACY(3712164/444B) County Summary:SAN JOAQUIN LaULong: 37.72586o/-121.44827o Township: 02S UTM: Zone-10 N4176532 E636747 Range: 05E Radius: 2/5 mile Mapping PrecisionNON-SPECIFIC Section: 29 Qtr:SW Elevation: 70 ft Symbol Type:POINT Meridian: M Location:VICINITY OF THE INTERSECTION OF SCHULTE ROAD AND THE SOUTHERN PACIFIC RAILROAD TRACKS,TRACY. Location Detail:BURROWS LOCATED IN RAISED RAILROAD TRACK BERM,SURROUNDED BY A DISKED AGRICULTURAL FIELD.OTHER BURROWS FOUND ALONG THE CEMENT-LINED DITCH BETWEEN THE SCHOOL AND THE HOUSING AREA. Ecological:HABITAT SURROUNDING BURROWS CONSISTS AGRICULTURAL FIELDS DOMINATED BY STAR THISTLE AND MUSTARD,WITH SOME AVENA SP. Threat: THREATENED BY PROPOSED HOUSING DEVELOPMENTS,ROUTINE DISKING BY RAILROAD,PREDATION BY CATS/DOGS,AND HUMAN DISTURBANCE. General: ON 24 JULY 1997,2 PAIRS OF BURROWING OWLS OBSERVED:ONE PAIR ON EAST SIDE OF TRACKS W/4 YOUNG AND ONE PAIR ON THE WEST SIDE OF TRACKS W/5 YOUNG.18 ADULTS OBSERVED ON 4 MAY 1998.41 ADULTS OBSERVED ON 27 AUG 1998. Owner/Manager:PVT Commercial Version--Dated September 30,2005--Wildlife and Habitat Data Analysis Branch Page 5 Report Printed on Tuesday,July 01,2008 Information Expired 03/30/2006