Bats (Chiroptera)
Western Small-Footed Myotis (Myotis ciliolabrum)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body length | 6.9 | Hindfoot length | mm | NR | Not Reported | 46 | Exposure Factor Datasets | San Bernardino | USA | 0.04 | |
| Body length | 16.9 | Ear length | mm | NR | Not Reported | 23 | Exposure Factor Datasets | San Bernardino | USA | 0.08 | |
| Body Weight - Mean | 5.88 | g | NR | Not Reported | 20 | Exposure Factor Datasets | San Bernardino | USA | 0.2 |
Hoary Bat (Lasiurus cinereus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | Early June-late July | Time of lactation | F | Adult | Exposure Factor Datasets | USA |
Silver-Haired Bat (Lasionycteris noctivagans)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | See citation Figure 1 | By temperature; resting vs. torpid | W/g | B | Not Reported | 24 | Long Point Bird Observatory, Long Point, Ontario | Exposure Factor Datasets | CANADA | |
| Body Weight - Mean | 10.6 | g | B | Not Reported | 24 | Long Point Bird Observatory, Long Point, Ontario | Exposure Factor Datasets | CANADA | 0.2 | |
| Metabolic Rate | See citation Figure 4 | By ambient temperature; fat required | W/g | Not Reported | 25 | Long Point Bird Observatory, Long | Exposure Factor Datasets | CANADA |
Little Brown Bat (Myotis lucifugus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | 23.92 | Overall % lean dry mass | % | F | Adult | 6 | Peterborough | Exposure Factor Datasets | Early pregnancy | USA |
| Body Fat (total or %) | 23.72 | Overall % lean dry mass | % | F | Adult | 7 | Peterborough | Exposure Factor Datasets | Late pregnancy | USA |
| Body Fat (total or %) | 24.19 | Overall % lean dry mass | % | F | Adult | 12 | Peterborough | Exposure Factor Datasets | Lactation | USA |
| Body Fat (total or %) | 25.55 | Overall % lean dry mass | % | F | Adult | 1 | Peterborough | Exposure Factor Datasets | Post-lactation | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | See citation Figure 1 & Table 1 | By month | B | Both Adults and Juveniles | Aeolist Cave, East Dorset | Exposure Factor Datasets | USA | ||
| Body Fat (total or %) | Maternity site: 7.03, swarming site: 26.80 | % | F | Adult | 6 | Aeolist Cave, East Dorset | Exposure Factor Datasets | USA |
Mexican Long-Tongued Bat (Choeronycteris mexicana)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Time of Fledging or Metamorphosis | 39 | Age at evidence of flight | day | NR | Not Reported | NR | Arizona and New Mexico | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Pollen grains from pitahaya, cazahaute, agave, garambulla | Stomach contents | NR | Not Reported | Exposure Factor Datasets | ||||
| Body length | Total length | mm | B | Not Reported | Exposure Factor Datasets | ||||
| Body Weight - Mean | g | B | Not Reported | Exposure Factor Datasets | |||||
| Pregnant weight | g | F | Adult | 3 | Exposure Factor Datasets | ||||
| Time of Mating/ Laying | Early spring | Time of pregnancy | Exposure Factor Datasets | Breeding | |||||
| Time of Mating/ Laying | Time of birth | Exposure Factor Datasets | Breeding | ||||||
| Body Weight - Mean | Fetus weight | g | NR | Embryo | 2 | Exposure Factor Datasets | |||
| Body length | 29 | Fetus length, crown to rump | mm | NR | Embryo | 1 | Exposure Factor Datasets | ||
| Time of Hatching or Parturition | 15 | Duration of birth | min | NR | Embryo | 1 | Exposure Factor Datasets | Breeding | |
| Dietary Composition | Fruits, pollen, nectar, insects | NR | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 15.7 | g | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body Weight - Mean | 16 | g | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body Weight - Mean | 16.14 | g | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body Weight - Mean | 16.68 | g | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body Weight - Mean | 14.7 | g | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body Weight - Mean | 14.33 | g | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body Weight - Mean | 15 | g | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body Weight - Mean | 15.5 | g | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body Weight - Mean | 12.71 | g | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body length | 51.2 | mm | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body length | 53.3 | mm | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body length | 47.5 | mm | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body length | 50.2 | mm | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body length | 48.4 | mm | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body length | 47.8 | mm | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body length | 52.4 | mm | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body length | 51.5 | mm | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Body length | 80.8 | mm | F | Not Reported | 1 | Baja California | Exposure Factor Datasets | MEXICO |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 13.34 | Mean weight | g | NR | Not Reported | 4 | El Jorullo Biological Reserve | Exposure Factor Datasets | MEXICO | 1.17 |
| Food Ingestion Rate | Increased | Nectar intake with decreased sucrose concentration | NR | Not Reported | 4 | El Jorullo Biological Reserve | Exposure Factor Datasets | MEXICO |
Western Mastiff Bat (Eumops perotis californicus)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Insects | B | Both Adults and Juveniles | NR | Exposure Factor Datasets | USA | |||
| Clutch or Litter Size | Number of young/pregnancy | B | Embryo | Exposure Factor Datasets | |||||
| Time of Hatching or Parturition | Early July | B | Embryo | Exposure Factor Datasets | |||||
| Body length | mm | B | Embryo | Exposure Factor Datasets | |||||
| Body length | mm | B | Embryo | Exposure Factor Datasets | San Benito | USA | |||
| mm | B | Embryo | Exposure Factor Datasets | Los Angeles | USA | ||||
| Time of Hatching or Parturition | March-early July | B | Embryo | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Dietary Composition | Moths (Lepidoptera) | B | Both Adults and Juveniles | NR | Exposure Factor Datasets | USA | |
| Dietary Composition | Moths, beetles, crickets | B | Both Adults and Juveniles | NR | Exposure Factor Datasets | USA |
Vesper Bat (Myotis yumanensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | May-August | Exposure Factor Datasets | ||||||||
| Dietary Composition | Beetles; soft-bodied insects: flies, termites, moths, mayflies; ants; arachnids |
B | Both Adults and Juveniles | Exposure Factor Datasets | ||||||
| Body Weight - Mean | g | B | Adult | Not reported | Exposure Factor Datasets | |||||
| Metabolic Rate | 1.91 | cm3 O2/hr | B | Adult | Exposure Factor Datasets | |||||
| Body Fat (total or %) | Fat index increase | % fat/g lean dry weight | F | Adult | Exposure Factor Datasets | Before departure to maternity roost | USA | |||
| Clutch or Litter Size | 1 | Young per year | No. young | B | Neonate | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | See citation Figure 1 | Insect order consumption by date | % volume | B | Adult | 115 | Okanagan Valley | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | g | F | Adult | 12 | Limekiln Creek | Exposure Factor Datasets | Monterey | Nonpregnant (some lactating) | USA | |
| Body Weight - Mean | 5.5 | g | M | Adult | 5 | Limekiln Creek | Exposure Factor Datasets | Monterey | Nonpregnant (some lactating) | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | August: 0.30, September 1: 0.67, September 15: 0.88 | Fat index | g fat/g lean dw | F | Adult | August: 5, September 1: 5, September 15: 8 | Montezuma, San Miguel County | Exposure Factor Datasets | USA | August: 0.12, September 1: 0.12, September 15: 0.23 |
| Body Fat (total or %) | August: 0.27, September 1: 0.19, September 15: 0.32 | Fat index | g fat/g lean dw | F | Juvenile | August: 1, September 1: 5, September 15: 1 | Montezuma, San Miguel County | Exposure Factor Datasets | USA | September 1: 0.05 |
| Body Fat (total or %) | August: 0.24, September 1: 0.08 | Fat index | g fat/g lean dw | M | Juvenile | August: 3, September 1: 2 | Montezuma, San Miguel County | Exposure Factor Datasets | USA | August: 0.08, September 1: 0.01 |
| Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Survival/ Mortality | Annual stage-specific apparent survival rate | F | Juvenile | 903 | Shasta, Trinity, and Siskiyou counties | Exposure Factor Datasets | USA |
| Survival/ Mortality | Annual stage-specific apparent survival rate | F | Adult | 903 | Shasta, Trinity, and Siskiyou counties | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 13997 | Occupying bridges | No. individuals | B | Both Adults and Juveniles | 13,997 | Rio Grande Valley | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | 1979: June 10, 1989: June 17, 1990: July 17 | First date of lactating bat captured | F | Adult | 66 | Okanagan Valley, British Columbia | Exposure Factor Datasets | CANADA |
| Time of Fledging or Metamorphosis | 1989: July 17, 1990: August 8 | First date of postlactating bat captured | F | Adult | 115 | Okanagan Valley, British Columbia | Exposure Factor Datasets | CANADA |
| Time of Fledging or Metamorphosis | 1989: July 9, 1990: August 6 | First date of juvenile bat captured | NR | Juvenile | 71 | Okanagan Valley, British Columbia | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | g | NR | Both Adults and Juveniles | 2000 | Barn in Solano County | Exposure Factor Datasets | Solano | Nursery roost | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Acari: 1, Araneae: 10, Coleoptera: 1, Diptera: 31, Ephemeroptera: <1, Hemiptera: 6, Homoptera: 2, Hymenoptera: 1, Isoptera: 12, Lepidoptera: 11, Neuroptera: 2, Orthoptera: 0, Plecoptera: <1, Psocoptera: 0, Trichoptera: 22 | % volume in fecal pellets | % volume | B | Both Adults and Juveniles | 70 | Oregon Coast Range | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 0.006 | kg | F | Adult | 13 | Okanagan Valley | Exposure Factor Datasets | Nonparous/postpartum | CANADA | 0.001 |
Pallid Bat (Antrozous pallidus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Acrididae: 16.1, Ceuthophilus californianus: 4.7, Gryllidae: 8.3, Stenopelmatus fuscus: 27.3, Microcentrum rhombifolium: 0.6, Diptera: 0.2, Lepidoptera: 5.8, Carabidae: 8.4, Prionus californicus: 1.0, Chilopoda: 11.8, Solpugidae: 7.8, Lycosidae: 7.8 | Percentage of total volume | % | M | Adult | 116 | Exposure Factor Datasets | Marin | USA | |
| Dietary Composition | Tytthotyle maculata: 9.9, Grylliacrididae: 1.0, Gryllus: 4.0, Diptera: 0.3, Lepidoptera: 5.7, Coleoptera: 2.3, Cyclocephla longula: 24.4, Tenebrionidae: 3.6, Edrotes ventricosus: 0.6, Hippomelas: 21.0, Tiphiidae: 1.5, Pentatomidae: 4.3, Geocoris: 0.1, Myrmeleontidae: 4.9, Solpugidae: 14.1 | Percentage of total volume | % | M | Adult | 29 | Exposure Factor Datasets | Kern | USA |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Insecta: 81.3, arachnida: 17.2, reptilia: 0.9 | % | B | Both Adults and Juveniles | Not reported | University of Texas at El Paso Indio Mountains Research Station | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Arachnida: 0.8, insecta: 97.8, other: 1.6 | Perent frequency | B | Both Adults and Juveniles | 93 | Nk'Mip Indian Band Reserve | Exposure Factor Datasets | CANADA |
| Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| DDE (4,4'-) | 5.8 ppm; range, 3.6-8.2 ppm (wet wt) | mean and range of concentration in carcass, wet wt | Both Male and Female | Adult | 4 bats | near cities | Toxicity Factor Datasets | MEXICO |
| DDD (4,4'-) | 0.1 ppm; range, <0.1-0.3 ppm (wet wt) | mean and range of concentration in carcass, wet wt | Both Male and Female | Adult | 4 bats | near cities | Toxicity Factor Datasets | MEXICO |
| DDT (4,4'-) | 1.8 ppm; range, 0.6-3.8 ppm (wet wt) | mean and range of concentration in carcass, wet wt | Both Male and Female | Adult | 4 bats | near cities | Toxicity Factor Datasets | MEXICO |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Foraging Distance | 3 | max. distance travelled from roost during foraging | km | Not Reported | Adult | 150 bats | Exposure Factor Datasets | breeding | MEXICO | |
| Dietary Composition | Lepidoptera (48%), Coleoptera (25%), Orthoptera (14%), Other (Neuroptera, Chilopoda, Hymenoptera, Isoptera, Arachnida, Diptera, Odonata, Perognathus flavus; 13%) | percent occurrence in diet based on on culled parts and scat analysis | % | Not Reported | Adult | 150 bats | Hidalgo county | Exposure Factor Datasets | breeding | MEXICO |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | May 27-June 18 | Female | Adult | 30 | Napa Valley | Exposure Factor Datasets | Napa | breeding | |
| Metabolic Rate | see citation | no values reported; see figures in paper | Female | Adult | 30 | Napa Valley | Exposure Factor Datasets | Napa | breeding |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 36.0 | g | Female | Adult | 6 | Exposure Factor Datasets | 1.9 SE | Laboratory | ||
| Body Weight - Mean | 39.2 | g | Female | Adult | 3 | Exposure Factor Datasets | 2.6 SE | Laboratory | ||
| Body Weight - Mean | 32.6 | g | Male | Adult | 10 | Exposure Factor Datasets | Napa | 0.9 SE | ||
| Body Weight - Mean | 21.7 | g | Male | Adult | 135 | Exposure Factor Datasets | Napa | 0.2 SE |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | range of mean monthly rates of ingestion of mealworm diet, measured over three years | g/mo | Male | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Lepidoptera (22.2), Gryllidae or Tettigoniidae (11.1), unident. insects (38.9), unident. Coleoptera (1.7), Cercopidae and Cicadellidae (1.7), Mymeleontidae (8.9), Carabidae (11.1), unident. Orthoptera (4.4) | percent volume of stomach contents | % | Not Reported | Not Reported | 9 | Big Bend National Park | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Longevity | 57 | captive longevity record | mo | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | June 17 (initiation) | date of first capture of a lactating female | Female | Adult | 39 | John Day River Valley, 44deg 55' N, 120deg 27' W | Exposure Factor Datasets | breeding | ||
| Body Weight - Mean | 21.7 | mean body weight for lactating females | g | Female | Adult | 39 | John Day River Valley, 44deg 55' N, 120deg 27' W | Exposure Factor Datasets | breeding | 2.03 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | late May through June | time of parturition through time when young begin to fly | Both Male and Female | Adult | Not Reported | Camp Verde, Yavapai County | Exposure Factor Datasets |
| Time of Migration or Dispersal | August | juvenile dispersal | Both Male and Female | Juvenile | Not Reported | Camp Verde, Yavapai County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 23.0 | g | Male | Adult | 5 | Exposure Factor Datasets | Laboratory | ||
| Body Weight - Mean | 25.3 | g | Female | Adult | 5 | Exposure Factor Datasets | Laboratory | ||
| Body Weight - Mean | 23.3 | g | Female | Juvenile | 5 | Exposure Factor Datasets | Laboratory | ||
| Metabolic Rate | see citation | figure of O2 consumption at varying ambient temperatures | ml O2/g/hr | Both Male and Female | Both Adults and Juveniles | 5 bats/group | Exposure Factor Datasets | Laboratory |