Natural history of the salamanders of the plethodontid genus Ensatina

Author(s)
Stebbins, Robert C.
Year
Article Title
Natural history of the salamanders of the plethodontid genus Ensatina
Volume
54
Pages
47-124
Start Page Number
47
Final Page
124
Review

Datapoints

Displaying 1 - 16 of 16 datapoints.
Species: Ensatina (Ensatina eschscholtzii)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location Range California Counties Type
Body Weight - Mean 6 9 g Adult Pinehurst Madrone Grove Park 5 - 7 Contra Costa Exposure Factor Datasets
Home Range average distance moved between recaptures 17.3 13 ft Adult Pinehurst Madrone Grove Park 2.5 - 63.7 Contra Costa Exposure Factor Datasets
Duration of Incubation or Gestation Not Reported mo Adult Pinehurst Madrone Grove Park 4 - 5 Contra Costa Exposure Factor Datasets
Home Range average distance moved between recaptures 32.8 17 ft Adult Pinehurst Madrone Grove Park 5.2 - 106.6 Contra Costa Exposure Factor Datasets
Time of Mating/ Laying time of laying late spring - early summer Not Reported Adult Pinehurst Madrone Grove Park Contra Costa Exposure Factor Datasets
Population Density estimated maximum density 25 #/acre Adult Pinehurst Madrone Grove Park 170 - 200 Contra Costa Exposure Factor Datasets
Time of Mating/ Laying time of breeding Oct. - Mar. Not Reported Adult Pinehurst Madrone Grove Park Contra Costa Exposure Factor Datasets
Population Density estimated maximum density Not Reported #/acre Both Adults and Juveniles Pinehurst Madrone Grove Park 600 - 700 Contra Costa Exposure Factor Datasets
Time of Hatching or Parturition fall - early winter Not Reported Embryo Pinehurst Madrone Grove Park Contra Costa Exposure Factor Datasets
Clutches or Litters per year 1 Not Reported clutch/yr Adult Pinehurst Madrone Grove Park Contra Costa Exposure Factor Datasets
Dietary Composition number of each food item in stomachs sowbug (1); centipede (1); millipede (6); spiders (7); wood ticks (2); scavenger mite (1); solpugid (1); springtails (5); worker termites (15); hemipteran (1); fly (1); beetles (11); ants (2) 8 # Both Adults and Juveniles Madelia Canyon Los Angeles Exposure Factor Datasets
Clutch or Litter Size # large ovarian eggs/female 11 26 #/clutch Adult Pinehurst Madrone Grove Park 8 - 17 Contra Costa Exposure Factor Datasets
Growth Rate figure of growth rates based on changes in snout-vent length see citation Not Reported Juvenile Pinehurst Madrone Grove Park Contra Costa Exposure Factor Datasets
Longevity range of oldest individuals recorded 3 yrs Adult Pinehurst Madrone Grove Park 6 - 8 Contra Costa Exposure Factor Datasets
Age at Sexual Maturity Not Reported yrs Adult Pinehurst Madrone Grove Park 3 - 4 Contra Costa Exposure Factor Datasets
Dietary Composition number of each food item in stomachs earthworm (1); sowbugs (14); amphipod (1); centipede (1); millipede (4); spiders (6); springtail (1); thysanuran (1); camel crickets (15); lepidopterous larva (1); dipteran (1); beetles (5); ant (1) 27 # Both Adults and Juveniles Pinehurst Madrone Grove Park Contra Costa Exposure Factor Datasets

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