Frogs and toads (Anura)
Bullfrog (Lithobates catesbeianus formerly Rana catesbeiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Inhalation Rate | see citation | figure of breathing frequency (breaths/min) at various seasons, temperatures and oxygen levels | Both Male and Female | Adult | 6/group | Exposure Factor Datasets | Laboratory | |
Metabolic Rate | see citation | figure of oxygen consumption at various body temperatures within seasons | Both Male and Female | Adult | 6/group | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 1 | age after metamorphosis; development of secondary sex characteristics | yr | Male | Adult | Not Reported | Crane Pond, E.S. George Reserve | Exposure Factor Datasets |
Age at Sexual Maturity | age after metamorphosis when produced eggs | yr | Female | Adult | Not Reported | Crane Pond, E.S. George Reserve | Exposure Factor Datasets | |
Survival/ Mortality | Non-breeding season survival; measured as # that returned to breed/# known to be alive at end of previous breeding season | % | Both Male and Female | Adult | 25 - 54 | Crane Pond, E.S. George Reserve | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 178.2 | Mean total oxygen uptake (skin + gills + lungs) measured at 25C, tadpole mean body weight = 5.74 g | ul O2/g/hr | Not Reported | Tadpole | 5 | Exposure Factor Datasets | 36.7 | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Longevity | Maximum estimated age | yr | Both Male and Female | Adult | 567 | Algonquin Provincal Park, Ontario [lat., 45^o35'N; long., 78^o30'W] | Exposure Factor Datasets | CANADA | |||
Growth Rate | 0.0653 | mm/d | Both Male and Female | 16 | Algonquin Provincal Park, Ontario [lat., 45^o35'N; long., 78^o30'W] | Exposure Factor Datasets | 0 yr | CANADA | 0.01465 SE | ||
Growth Rate | 0.1056 | mm/d | Both Male and Female | 34 | Algonquin Provincal Park, Ontario [lat., 45^o35'N; long., 78^o30'W] | Exposure Factor Datasets | 1 yr | CANADA | 0.01427 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Surface Area | SA = 0.953W^0.725 | Area of removed skin measured, equation based on weight (W) in grams | cm2 | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | ||
Metabolic Rate | 29.36 | Pulmonary oxygen uptake at 15C | ul O2/g/hr | Not Reported | 4 | Exposure Factor Datasets | Laboratory | ||
Metabolic Rate | 27.74 | Cutaneous oxygen uptake at 15C | ul O2/g/hr | Not Reported | Not Reported | 4 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 0.80 | lbs | Not Reported | 5 | Ridge Lake, Charleston, Coles County | Exposure Factor Datasets | end of 6th yr | |
Age at Fledging, Metamorphosis, Weaning | mo | Not Reported | Tadpole | Not Reported | Ridge Lake, Charleston, Coles County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | time to metamorphosis from first breeding clutch | mo | Not Reported | Tadpole | Not Reported | lower Colorado River between Laguna and Morelos Dams | Exposure Factor Datasets | |
Time of Fledging or Metamorphosis | Aug. - Oct. | metamorphosis period for first breeding clutch | Not Reported | Tadpole | Not Reported | lower Colorado River between Laguna and Morelos Dams | Exposure Factor Datasets | |
Time of Fledging or Metamorphosis | Aug. - Oct. or Mar. - Apr. of following yr. | time to metamorphosis for second clutch | Not Reported | Tadpole | Not Reported | lower Colorado River between Laguna and Morelos Dams | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | yr | Both Male and Female | Tadpole | Not Reported | Ithaca | Exposure Factor Datasets | |
Time of Fledging or Metamorphosis | July - Oct. | Both Male and Female | Tadpole | Not Reported | Ithaca | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | Range of mean survival of larvae | % | Not Reported | Tadpole | 3 sampling periods, 20,000 animals | Coldstream Pond and Fred Pond, northeast of Lexington, [38o06'23"N, 84o30'08"W] | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.1582 | resting oxygen consumption at 23C | ml O2/hr/tadpole | Not Reported | Tadpole | 19 | Exposure Factor Datasets | 0.009 SE | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | See paper for weight to developmental stage relationship (Gosner stages 27-40) | g | Not Reported | Tadpole | 120 | Crane Pond, E.S. George Reserve, Livingston County [lat., 42.5N] | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | see citation | figures of aerial activity oxygen consumption and body weights at different developmental stages | Not Reported | Tadpole | 59 | Exposure Factor Datasets | Laboratory |
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 | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Growth Rate | review | see citation for review of growth rates based on size estimates | Both Male and Female | Adult, Tadpole | Not Reported | Exposure Factor Datasets |
Western Toad (Anaxyrus boreas formerly Bufo boreas)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 12,000 | # eggs/spawn | Female | Adult | Not Reported | Lost Lake, Linn county | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 64.6 | mean and range of body weights | g | Male | Adult | 17 | Garfield County | Exposure Factor Datasets |
Body Weight - Mean | 92.9 | mean and range of body weight | g | Female | Adult | 18 | Garfield County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 0.01 | g | Not Reported | Tadpole | 84 | Exposure Factor Datasets | Gosner stage 20 | Laboratory | |
Body Weight - Mean | 0.02 | g | Not Reported | Tadpole | 42 | Exposure Factor Datasets | Gosner stage 26 | Laboratory |
Pacific Treefrog (Pseudacris regilla formerly Hyla regilla)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | estimated by number of times a female was found in amplexus with palpable eggs | clutches/yr | Female | Adult | Not Reported | San Diego | Exposure Factor Datasets | ||
Clutch or Litter Size | 267.7 | eggs/clutch | Female | Adult | 40 | San Diego | Exposure Factor Datasets | 128.7 SD |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | July - Sept. | Not Reported | Juvenile | Not Reported | Moscow, Latah County (elev., 850m) | Exposure Factor Datasets |
Pacific Treefrog (Pseudacris regilla formerly Hyla regilla), California Newt (Taricha torosa)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | see citation | figure of mean duration from fertilization to hatching in field enclosures | Both Male and Female | Embryo | 8 replicates of 150 (frogs) or 16-12 (newts) embryos | Santa Monica Mountains | Exposure Factor Datasets | Los Angeles |
Northern Red-legged Frog (Rana aurora) formerly Rana aurora ssp. aurora
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 531 | #/egg mass | Female | Adult | 35 egg masses | Marion Lake, southern British Columbia (elev., 300m) | Exposure Factor Datasets | CANADA | 19 SE | |
Survival/ Mortality | 5 | survival of larval population until metamorphosis | % | Not Reported | Tadpole | Not Reported | Marion Lake, southern British Columbia (elev., 300m) | Exposure Factor Datasets | CANADA | |
Body Weight - Mean | log W = -4.60 + 3.085(log L) | regression equation relating body weight (W; mg, dry wt.) to body length (L; mm) | mg | Not Reported | Tadpole | Not Reported | Marion Lake, southern British Columbia (elev., 300m) | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | time from egg to hatching under field conditions | wks | Not Reported | Embryo | Not Reported | Corvallis | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Feb. - Mar. | determined by presence of calling males and new egg masses | Both Male and Female | Adult | Not Reported | Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) | Exposure Factor Datasets | |
Clutch or Litter Size | 600 | #/ egg mass | Female | Adult | Not Reported | Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) | Exposure Factor Datasets |
California Red-legged Frog (Rana draytonii formerly Rana aurora ssp. draytonii)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | mo | Both Male and Female | Tadpole | Not Reported | Exposure Factor Datasets | ||
Time of Fledging or Metamorphosis | July - Sept. | Both Male and Female | Tadpole | Not Reported | Exposure Factor Datasets |