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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 /> Buteo swainsoni <br /> Swainson's hawk Element Code:ABNKC19070 <br /> Status NDDB Element Ranks Other Lists <br /> Federal: None Global:G5 CDFG Status: <br /> State: Threatened State:S2 <br /> Habitat Associations <br /> General: BREEDS IN GRASSLANDS WITH WITH SCATTERED TREES, JUNIPER-SAGE FLATS,RIPARIAN AREAS,SAVANNAHS,&AGRICULTURAL OR RANCH <br /> Micro: REQUIRES ADJACENT SUITABLE FORAGING AREAS SUCH AS GRASSLANDS,OR ALFALFA OR GRAIN FIELDS SUPPORTING RODENT POPULATIONS. <br /> Occurrence No.318 Map Index: 21022 EO Index: 9027 Dates Last Seen <br /> Occ Rank: Good Element: 2000-06-29 <br /> Origin: Natural/Native occurrence Site: 2000-06-29 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 2003-07-09 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:San Joaquin <br /> LaULong: 37.80272°/-121.53183° Township: 01S <br /> UTM: Zone-10 N4184942 E629249 Range: 04E <br /> Radius: 80 meters Mapping PrecisionSPECIFIC Section: 34 Qtr:XX <br /> Elevation: 5 ft Symbol Type:POINT Meridian: M <br /> Location:ALONG WEST BANK OF OLD RIVER,1.57 MI NORTH OF THE INTERSECTION OF HENDERSON ROAD WITH BYRON ROAD,7 MI NW OF TRACY. <br /> Ecological:NEST TREE IS A LARGE,ISOLATED WILLOW;SURROUNDING HABITAT CONSISTS OF RIPARIAN ALONG THE OLD RIVER LEVEE WITH SOME <br /> SCATTERED,ISOLATED WILLOWS AND WHITE ALDERS.THIS AREA IS SURROUNDED BY AGRICULTURE,ROW CROPS,HAY,AND PASTURE. <br /> General: NEST AND A DEFENSIVE PAIR OF ADULTS OBSERVED DAILY 9-11 MAY,1989.2 ADULTS AND 2 JUVENILES OBSERVED AT THE NEST SITE ON 22 <br /> JUN 2000.ADULT OBSERVED PERCHED AT NEST ON 29 JUN 2000. <br /> Owner/Manager:PVT <br /> Occurrence No.693 Map Index: 36524 EO Index: 31521 Dates Last Seen <br /> Occ Rank: Unknown Element: 1987-07-07 <br /> Origin: Natural/Native occurrence Site: 1987-07-07 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 1997-08-27 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:San Joaquin <br /> LaULong: 37.79859°/-121.52393° Township: 01S <br /> UTM: Zone-10 N4184494 E629951 Range: 04E <br /> Radius: 80 meters Mapping PrecisionSPECIFIC Section: 34 Qtr:XX <br /> Elevation: 5 ft Symbol Type:POINT Meridian: M <br /> Location:SMALL ISLAND,APPROXIMATELY 2 MILES UPSTREAM(SE)FROM THE CONFLUENCE OF OLD RIVER AND DELTA MENDOTA CANAL <br /> Location Detail:SMALL ISLAND WHERE NEST TREE IS LOCATED IS NEAR THE LINDEMAN CUT PUMP. <br /> Ecological:NEST TREE IS A PINE;THIS DELTA ISLAND HAS BEEN PLANTED WITH NON-NATIVE TREES.THE NEST IS 40-50 FEET UP IN THE PINE TREE. <br /> General: ON 7 JULY 1987,2 DARK-PHASE ADULTS WERE OBSERVED NEST-BUILDING. <br /> Owner/Manager:PVT <br /> Occurrence No.1115 Map Index: 51006 EO Index: 51006 — Dates Last Seen <br /> Occ Rank: Good Element: 1997-05-28 <br /> Origin: Natural/Native occurrence Site: 1997-05-28 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 2003-04-17 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:San Joaquin,Contra Costa <br /> LaULong: 37.85453°/-121.56196° Township: 01S <br /> UTM: Zone-10 N4190649 E626508 Range: 04E <br /> Radius: 80 meters Mapping PrecisionSPECIFIC Section: 08 Qtr:XX <br /> Elevation: 5 ft Symbol Type:POINT Meridian: M <br /> Location:SMALL,UNNAMED ISLAND ACROSS CANAL AT THE NE CORNER OF CLIFTON COURT FOREBAY,NW OF TRACY <br /> Ecological:NEST TREE IS AN ALDER WITHIN WILLOW RIPARIAN FOREST;SURROUNDED BY WATERWAYS AND AGRICULTURE. <br /> General: 2 ADULTS AND 2 JUVENILES OBSERVED AT THE NEST ON 28 MAY 1997. <br /> Owner/Manager:UNKNOWN <br /> Commercial Version--Dated May 01,2010--Biogeographic Data Branch Page 20 <br /> Report Printed on Thursday,July 01,2010 Information Expires 11/01/2010 <br />