Time of Torpor or Hibernation
Little Brown Bat (Myotis lucifugus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Mean: 12.4-19.7, max: 83 | Field conditions | d | B | 163 | Boone County | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | 2C: 316, 5C: 306, 10C: 158 | By lab temp | hr | B | 98 | Boone County | Exposure Factor Datasets | USA | 2C: 314, 5C: 291, 10C: 153 |
Western Fence Lizard (Sceloporus occidentalis)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Sept. - Apr. | Both Male and Female | Both Adults and Juveniles | Not Reported | yellow pine forest, central Sierra Nevada (elev., 1500m) | Exposure Factor Datasets |
| Time of Torpor or Hibernation | Sept. - May or June | Both Male and Female | Both Adults and Juveniles | Not Reported | red fir forest, Donner Summit, central Sierra Nevada (elev., 2200m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Nov-Dec. (begin) | Not Reported | Both Adults and Juveniles | Not Reported | Hastings Reservation, Carmel Valley | Exposure Factor Datasets | Monterey |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Nov. - Mar. | Not Reported | Both Adults and Juveniles | 93 | Strawberry Canyon, Berkeley Hills | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Nov.-Mar. | hibernation duration approximates 100 d | Not Reported | Both Adults and Juveniles | >12 | Victorville | Exposure Factor Datasets |
Red-sided Garter Snake (Thamnophis sirtalis ssp. parietalis)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Nov. - Apr. | Not Reported | Not Reported | Not Reported | Winnepeg, Manitoba | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Sept. - Mar. | Female | Adult | 218 | Manitoba | Exposure Factor Datasets | CANADA |
Gopher Snake (Pituophis catenifer formerly Pituophis melanoleucus)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Apr. | Not Reported | Not Reported | 455 | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | winter | peak occurence of spontaneous torpor | Both Male and Female | Both Adults and Juveniles | 59 | Macon county, pine-hemlock forest | Exposure Factor Datasets |
Boreal Toad (Anaxyrus boreas ssp. boreas formerly Bufo boreas ssp. boreas)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Sept. - May | time of hibernation | Not Reported | Adult | 30 | Boulder county (elev., 2,975m) | Exposure Factor Datasets |
Merriam's Kangaroo Rat (Dipodomys merriami)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | none | Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
Bullfrog (Lithobates catesbeianus formerly Rana catesbeiana)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Adult | Not Reported | farm ponds, Boone County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - April | Not Reported | Adult | 6 | Seiberling Naturealm, Summit County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Tadpole | Not Reported | Ridge Lake, Charleston, Coles County | Exposure Factor Datasets |
Western Pond Turtle (Actinemys marmorata formerly Clemmys marmorata)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - May | Both Male and Female | Both Adults and Juveniles | 578 marked turtles | Hayfork Creek (elev., 610m) | Exposure Factor Datasets | Trinity |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Sept. - Mar. | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Little Pocket Mouse (Perognathus longimembris)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Sept. - Mar. or Apr. | Not Reported | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
California Ground Squirrel (Spermophilus beecheyi)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | see citation | figure of seasonal activity patterns, including hibernation | Both Male and Female | Both Adults and Juveniles | Not Reported | Santa Barbara; Bell Ranch; Hastings Reservation | Exposure Factor Datasets | Monterey |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | May/June - Oct. | months of estivation | Male | Adult | 144 | University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] | Exposure Factor Datasets | Santa Cruz |
| Time of Torpor or Hibernation | July - Dec. | months of estivation | Female | Adult | 128 | University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] | Exposure Factor Datasets | Santa Cruz |
Sideblotched Lizard (Uta stansburiana)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | Not Reported | Deschutes River, Jefferson county (elev., 732m) | Exposure Factor Datasets |
Desert Iguana (Dipsosaurus dorsalis)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | Not Reported | Thousand Palms | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | 95 | Palm Springs | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Sept. - Mar. | Not Reported | Adult | Not Reported | Phoenix South Mountain, Maricopa County | Exposure Factor Datasets |
San Joaquin Fence Lizard (Sceloporus occidentalis ssp. biseriatus)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Nov.-Feb. | Not Reported | Adult | Not Reported | Puente Hills, Whittier (elev., 150 m) | Exposure Factor Datasets | Los Angeles |
| Time of Torpor or Hibernation | Nov. - Mar. | Not Reported | Adult | Not Reported | San Gabriel Mountains, Crystal Lake (elev., 1584 m) | Exposure Factor Datasets | Los Angeles |
Blunt-nosed Leopard Lizard (Gambelia sila formerly Gambelia silus)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare |
Coachella Valley Fringe-toed Lizard (Uma inornata)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Nov. - Mar. | Not Reported | Not Reported | Not Reported | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | Not Reported | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside |
Desert Tortoise (Gopherus agassizi)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Dec. (begin), Mar.-June (end) | Both Male and Female | Adult | 9 | San Pedro River Valley, Pinal County [lat., 32^o38'N; long., 110^o34'W] | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Sept. - Mar. | Female | Adult | 9 | Fenner Valley, Goffs (elev., 680m) {lat., 34^o51'N; long., 115^o09'W] | Exposure Factor Datasets | San Bernardino |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Apr. | Both Male and Female | Adult | 50 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Nov. - Mar. (151 d) | hibernation period | Both Male and Female | Both Adults and Juveniles | 11 animals | Rock Valley, Nye County | Exposure Factor Datasets |
Pacific Treefrog (Pseudacris regilla formerly Hyla regilla)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | July - Oct. | Not Reported | Not Reported | Not Reported | Gorman (elev., 4000 ft) and Palmdale (elev., 2000 ft) | Exposure Factor Datasets | Los Angeles |
Pallid Bat (Antrozous pallidus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | late Mar.-early Apr. | end of winter dormancy period | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Kern, San Luis Obispo |
