Thamnophis sirtalis
Common Garter Snake (Thamnophis sirtalis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | amphibians (41); earthworms (24); birds (1); leeches (1); misc. invertebrates (4); unidentified (13); empty (100) | number of stomach examinations yielding various food types | # | Not Reported | Not Reported | 179 | Vancouver Island | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | % lipid of whole animal (not including stomach contents) | % | Both Male and Female | Adult | 6 | Pilot Island, Lake Michigan | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Slug (1.4%); Earthworm (23.6%); Frog, Rana (6.9%); Toad, Bufo and Scaphiopus (30.5%); Tree Toad (20.8%); Leech (4.0%); Tadpole (10%); Minnow (1.4%); Unidentified fish (1.4%) | % of total recorded food items | % | Not Reported | Not Reported | 48 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of site means based on sum of live and dead young and undeveloped eggs at parturition | young/litter | Female | Adult | 4 - 30/site | Exposure Factor Datasets | CANADA | |
| Body Weight - Mean | range of site means | g | Not Reported | Neonate | 48 - 203/site | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Anurans (67%); Fish (11%); Leeches (22%) | % of stomachs containing prey item | % | Not Reported | Not Reported | 36 | Eagle Lake (elev., 1555m) [lat., 40^o33'24"N; long., 120^o47'5" W] | Exposure Factor Datasets | Lassen |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 12.5 | young/litter | Female | Adult | 23 | captured at Wood Buffalo National Park, Canada | Exposure Factor Datasets | 4.95 (SD) | Laboratory |
| Body Weight - Mean | 2.6 | g | Not Reported | Neonate | 187 | captured at Wood Buffalo National Park, Canada | Exposure Factor Datasets | 0.4 SD | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 41 | g | Both Male and Female | Both Adults and Juveniles | 160 | Kyburz Flat | Exposure Factor Datasets | Sierra | |
| Dietary Composition | Hyla (55.5%); Catostomus (21.8%); Microtus (5.4%); Rhinichthys (11.5%) | % of total volume of stomach contents | % | Both Male and Female | Not Reported | <110 | Kyburz Flat | Exposure Factor Datasets | Sierra |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | minimum and maximum mean annual clutch size | young/litter | Female | Adult | 158 over 9 yrs | National History Reservation | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | range of probability of surviving from spring of one year to spring of next year | % | Male | Adult | 43 - 132/yr for 3 yrs | Wood Buffalo National Park (lat., 59^o49'N; long., 112^oW) | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 3.15 | maximal oxygen consumption at 30C | ml O2/hr | Both Male and Female | Juvenile | 245 | gravid adults captured near Lassen, CA | Exposure Factor Datasets | mean age, 31.6 d; range 11-58 d | 0.845 SD | Laboratory |
| Body Weight - Mean | 2.2 | g | Both Male and Female | Juvenile | 245 | Exposure Factor Datasets | mean age, 31.6 d; range 11-58d | 0.350 SD | Laboratory |
California Whipsnake (Masticophis lateralis), Common Garter Snake (Thamnophis sirtalis)
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | eggs/female | Female | Adult | 5 | Exposure Factor Datasets | Los Angeles, Mariposa, Tuolumne | |
| Clutch or Litter Size | eggs/female | Female | Adult | 5 | Exposure Factor Datasets | Los Angeles, Mariposa, Tuolumne |
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