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 Buteo swainsoni Swainson's hawk Element Code:ABNKC19070 Status NDDB Element Ranks Other Lists Federal: None Global:G5 CDFG Status: State: Threatened State:S2 Habitat Associations General: (NESTING)BREEDS IN STANDS WITH FEW TREES IN JUNIPER-SAGE FLATS,RIPARIAN AREAS AND IN OAK SAVANNAH. Micro: REQUIRES ADJACENT SUITABLE FORAGING AREAS SUCH AS GRASSLANDS,OR ALFALFA OR GRAIN FIELDS SUPPORTING RODENT POPULATIONS. Occurrence No.1124 Map Index: 51026 EO Index: 51026 Dates Last Seen Occ Rank: Excellent Element: 1999-07-05 Origin: Natural/Native occurrence Site: 1999-07-05 Presence: Presumed Extant Trend: Unknown Record Last Updated: 2003-04-17 Main Source: BRADBURY,M.1999(OBS) Quad Summary:UNION ISLAND(3712174/4620) County Summary:SAN JOAQUIN LaULong: 37.79283o/-121.472450 Township: 02S UTM: Zone-10 N4183928 E634495 Range: 05E Radius: 80 meters Mapping PrecisionSPECIFIC Section: 06 Qtr:XX Elevation: 10 ft Symbol Type:POINT Meridian: M Location:IN-STREAM ISLAND IN OLD RIVER,1.4 MILES WEST OF TRACY BOULEVARD,NW OF TRACY Ecological:NEST TREE IS AN OAK TREE ON AN INSTREAM ISLAND WITHIN STREAM CHANNEL;SURROUNDED BY AND AGRICULTURE. General: 2 ADULTS AND 4 JUVENILES(4 CHICKS BANDED)OBSERVED AT THE NEST SITE ON 5 JUL 1999. Owner/Manager:UNKNOWN Occurrence No.1125 Map Index: 51028 EO Index: 51028 Dates Last Seen Occ Rank: Excellent Element: 2000-06-23 Origin: Natural/Native occurrence Site: 2000-06-23 Presence: Presumed Extant Trend: Unknown Record Last Updated: 2003-05-07 Main Source: BRADBURY,M.1999(OBS) Quad Summary:UNION ISLAND(3712174/4620) County Summary:SAN JOAQUIN Lat/Long: 37.81701o/-121.42684o Township: 01S UTM: Zone-10 N4186677 E638465 Range: 05E Area: 9.7 ac Mapping PrecisionSPECIFIC Section: 28 Qtr:XX Elevation: 10 ft Symbol Type:POLYGON Meridian: M Location:WEST BRANCH OF SALMON SLOUGH,0.2 MILE SOUTH OF GRANT LINE CANAL,NORTH OF TRACY Ecological:NEST TREE IS A 35'VALLEY OAK TREE WITHIN DISTURBED RIPARIAN,ALONG A SLOUGH;SURROUNDED BY RIPARIAN TO THE NE AND SE,AND ROW CROPS TO THE NW AND SW. General: 2 ADULTS AND 2 JUVENILES OBSERVED AT THE NEST SITE ON 5 JUL 1999.ADULTS OBSERVED RETRIEVING FOOD TO NEST ON 23 JUN 2000. Owner/Manager:UNKNOWN Occurrence No.1126 Map Index: 51029 EO Index: 51029 Dates Last Seen Occ Rank: Excellent Element: 2001-06-21 Origin: Natural/Native occurrence Site: 2001-06-21 Presence: Presumed Extant Trend: Unknown Record Last Updated: 2003-04-21 Main Source: BRADBURY,M.2000(OBS) Quad Summary:UNION ISLAND(3712174/462C) County Summary:SAN JOAQUIN LaULong: 37.839960/-121.450830 Township: 01S UTM: Zone-10 N4189189 E636312 Range: 05E Area: 11.3 ac Mapping PrecisionSPECIFIC Section: 17 Qtr:XX Elevation: 2 ft Symbol Type:POLYGON Meridian: M Location:TRACY BOULEVARD,0.2 MILE SE OF THE INTERSECTION OF TRACY BOULEVARD AND CLIFTON COURT ROAD,NORTH OF TRACY Location Detai1:2000 NEST TREE WAS A COTTONWOOD WITHIN A GROUP OF LARGE COTTONWOODS,ALONG AN AGRICULTURAL FIELD,ADJACENT TO A HOMESTEAD. Ecological:2001 NEST TREE WAS AN 80-FOOT BLACK WALNUT TREE IN A FARMYARD;SURROUNDED BY AGRICULTURE,INCLUDING GOOD SWHA FORAGE CROPS. Threat: THREATENED BY HUMAN/FARMING ACTIVITIES. General: 2 ADULTS AND 1 JUVENILE OBSERVED AT THE NEST SITE ON 8 JUN 2000;ADULTS OBSERVED RETRIEVING FOOD ON 20 JUN 2000.2 ADULTS AND 3 JUVENILES OBSERVED(YOUNG BANDED)AT THE NEST SITE ON 21 JUN 2001. Owner/Manager:UNKNOWN Commercial Version--Dated September 30,2005--Wildlife and Habitat Data Analysis Branch Page 16 Report Printed on Tuesday,July 01,2008 Information Expired 03/30/2006