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California Department of Fish and Game Natural Diversity Database Full Condensed Report for Selected Elements-Multiple Records per Page Rana draytonii California red-legged frog Element Code:AAABH01022 Status NDDB Element Ranks Other Lists Federal: Threatened Global:G4T2T3 CDFG Status: SC State: None State:S2S3 Habitat Associations General: LOWLANDS&FOOTHILLS IN OR NEAR PERMANENT SOURCES OF DEEP WATER WITH DENSE,SHRUBBY OR EMERGENT RIPARIAN VEGETATION. Micro: REQUIRES 11-20 WEEKS OF PERMANENT WATER FOR LARVAL DEVELOPMENT.MUST HAVE ACCESS TO ESTIVATION HABITAT. Occurrence No.27 Map Index: 20135 EO Index: 9724 Dates Last Seen Occ Rank: Good Element: 2002-09-23 Origin: Natural/Native occurrence Site: 2002-09-23 Presence: Presumed Extant Trend: Stable Record Last Updated: 2003-01-29 Quad Summary:Clifton Court Forebay(3712175/463D) County Summary:Alameda LaULong: 37.75744°/-121.57432° Township: 02S UTM: Zone-10 N4179859 E625585 Range: 04E Area: Mapping PrecisionNOWSPECIFIC Section: 18 Qtr:E Elevation: 160 ft Symbol Type:POLYGON Meridian: M Location:UPPER REACHES OF MOUNTAIN HOUSE CREEK,IN THE VICINITY OF THE INTERSECTION OF GRANT LINE ROAD AND MOUNTAIN HOUSE ROAD Location Detail:FROGS UTILIZE BOTH MOUNTAIN HOUSE CREEK AND NEARBY SMALL CATTLE PONDS. Ecological:HEAVILY GRAZED CREEK BED WITH AQUATIC VEGETATION CREEK AREA DOMINATED BY TYPHA.ROADSIDE CATTLE PONDS ALMOST DEVOID OF VEGETATION EXCEPT WEEDY SPECIES.SOME PORTIONS OF STREAM ARE CHANNELIZED. Threat: THREATS INCLUDE CATTLE GRAZING,PERIODIC DREDGING OF CREEK CHANNEL,AND PLANNED RESIDENTIAL DEVELOPMENT IN AREA. General: 100+OBSERVED,16 SEP 89.IN 1991,15 ADULTS COUNTED ON EAST SIDE OF AQUEDUCT;1 ADULT ON WEST SIDE.13 AD/2 JUV OBSERVED IN 1996.1 AD/4 EGG MASSES OBSERVED,18 MAR 97.NO FROGS/EGGS PRESENT,MAR 2000.29 JUVENILES OBSERVED,23 SEP 2002. Owner/Manager:DWR,PVT Occurrence No.28 Map Index: 17129 EO Index: 12069 Dates Last Seen Occ Rank: Good Element: 1989-11-07 Origin: Natural/Native occurrence Site: 1989-11-07 Presence: Presumed Extant Trend: Unknown Record Last Updated: 1991-04-09 Quad Summary:Clifton Court Forebay(3712175/463D) County Summary:Alameda LaULong: 37.78476°/-121.58658° Township: 02S UTM: Zone-10 N4182874 E624459 Range: 04E Radius: 80 meters Mapping PrecisionSPECIFIC Section: 06 Qtr:SW Elevation: 120 ft Symbol Type:POINT Meridian: M Location:0.5 MI WEST OF MOUNTAIN HOUSE SCHOOL AT MOUNTAIN HOUSE RD.SMALL 1/2 ACRE CATTLE POND. Location Detail:MORE THAN 50 INDIVIDUALS FOUND. Ecological:ARTIFICIAL EMPOUNDMENT IN HISTORIC DRAINAGE.HEAVILY GRAZED WITH ADJACENT MARSHY AREA PROTECTED FROM CATTLE BY FENCING.POND VEG DOMINATED BY TYPHA. Threat: HEAVY GRAZING.DEVELOPMENT PLANS.BULLFROGS ALSO FOUND IN THE POND. Owner/Manager:PVT Occurrence No.60 Map Index: 24683 EO Index: 6561 Dates Last Seen Occ Rank: Poor Element: 1993-03-16 Origin: Natural/Native occurrence Site: 1993-03-16 Presence: Presumed Extant Trend: Unknown Record Last Updated: 1994-02-22 Quad Summary:Clifton Court Forebay(3712175/463D) County Summary:Alameda LaULong: 37.76649°/-121.57137° Township: 02S UTM: Zone-10 N4180868 E625829 Range: 04E Radius: 80 meters Mapping PrecisionSPECIFIC Section: 07 Qtr:SE Elevation: 175 ft Symbol Type:POINT Meridian: M Location:0.2 MI EAST OF DELTA MENDOTA CANAL,0.85 MI NNE OF JUNCTION OF MOUNTAIN HOUSE RD AND GRANT LINE RD,ESE OF BETHANY RES. Ecological:HABITAT CONSISTS OF A STOCK POND SURROUNDED BY NON-NATIVE GRASSLAND. General: ONE RED-LEGGED FROG OBSERVED IN POND ON 16 MARCH 1993. Owner/Manager:UNKNOWN Commercial Version--Dated May 01,2010--Biogeographic Data Branch Page 46 Report Printed on Thursday,July 01,2010 Information Expires 11/01/2010