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Mustela frenata

Citation:

Growth and behavior of a litter of captive long-tailed weasels

Author(s)
Sanderson, Glen C.
Pages
412-415
Year
Volume
30
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Food Ingestion Rate 24 % body weight consumed/d Both Male and Female Juvenile captured at Delta, Manitoba, Canada 7 Exposure Factor Datasets
Food Ingestion Rate 18 % body weight consumed/d Both Male and Female Adult captured at Delta, Manitoba, Canada 7 Exposure Factor Datasets
Body Weight - Mean 107.6 100.4 - 116.5 g Male Juvenile captured at Delta, Manitoba, Canada 7 Exposure Factor Datasets
Body Weight - Mean 86.2 g Female Juvenile captured at Delta, Manitoba, Canada 1 Exposure Factor Datasets
Body Weight - Mean 178.6 g Female Adult captured at Delta, Manitoba, Canada 1 Exposure Factor Datasets
Growth Rate see citation figure of body weight (g) vs estimated age (d) g/d Both Male and Female Juvenile captured at Delta, Manitoba, Canada 7 Exposure Factor Datasets
Age at Sexual Maturity 81 - 83 d Male Adult Not Reported Exposure Factor Datasets
Citation:

Gestation period in the long-tailed weasel

Author(s)
Hall, E. Raymond
Pages
249-250
Year
Volume
19
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 4 young/litter Female Adult captured at Tahoe City, California 1 Exposure Factor Datasets
Citation:

Breeding habits of captive long-tailed weasels (Mustela frenata)

Author(s)
Wright, Philip L.
Pages
338-344
Year
Volume
39
Exposure Endpoint Type Endpoint Value Range Units Sex Life Cycle Stage Sample Size Type
Time of Hatching or Parturition April Both Male and Female Neonate Not Reported Exposure Factor Datasets
Time of Mating/ Laying Apr. - Aug. Both Male and Female Adult Not Reported Exposure Factor Datasets
Duration of Incubation or Gestation 279 205 - 337 d Female Adult 18 Exposure Factor Datasets
Clutch or Litter Size 6 - 19 young/litter Female Adult Not Reported Exposure Factor Datasets
Clutches or Litters per year 1 litter/yr Female Adult Not Reported Exposure Factor Datasets
Age at Sexual Maturity 3 mo Female Adult Not Reported Exposure Factor Datasets
Citation:

Notes on the ecology of weasels in Gunnison County, Colorado

Author(s)
Quick, Horace F.
Pages
281-290
Year
Volume
32
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Microtus (52%); Peromyscus (19.5%); Eutamias (18.2%); Cynomys (2.6%); Thomomys (3.9%); Citellus (2.6%); Ochotona (1.3%); Vespula (6.5%); Tettigoniidae (2.6%) % occurrence in scats % Not Reported Not Reported Gunnison County (elev., >7500 ft) 77 scats Exposure Factor Datasets
Population Density 2 #/mi2 Not Reported Not Reported Gunnison County (elev., >7500 ft) Not Reported Exposure Factor Datasets

Enhydra lutris

Citation:

Metabolism and thermoregulation in the sea otter

Author(s)
Morrison, Peter, Mario Rosenmann and James E. Estes
Pages
218-229
Year
Volume
47
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Sample Size Type
Metabolic Rate 0.72 average basal metabolism in air 0.06 cc O2/g x hr Not Reported Not Reported 10 Exposure Factor Datasets
Metabolic Rate 0.85 average basal metabolic rate in water cc O2/g x hr Not Reported Not Reported 13 Exposure Factor Datasets
Metabolic Rate 0.99 average metabolic rate in air cc O2/g x hr Not Reported Not Reported 10 Exposure Factor Datasets
Metabolic Rate 1.21 average metabolic rate in water cc O2/g x hr Not Reported Not Reported 13 Exposure Factor Datasets
Citation:

The sea otter in the eastern Pacific Ocean

Author(s)
Kenyon, Karl W.
Pages
1-352
Year
Issue
68
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 1.75 1.2-2.5 kg Male Juvenile Amchitka Island 4 Exposure Factor Datasets
Body Weight - Mean 1.96 1.02-2.83 kg Female Juvenile Amchitka Island 6 Exposure Factor Datasets
Body Weight - Mean 28.3 7.98 SD 21.8-38.6 kg Male Adult Amchitka Island 79 Exposure Factor Datasets
Body Weight - Mean 21.1 6.49 SD 14.5-31.7 kg Female Adult Amchitka Island 254 Exposure Factor Datasets
Food Ingestion Rate 4.04 0.9-7.2 kg/d Female Adult 1 Exposure Factor Datasets
Dietary Composition vertebrates (fish; 50%), mollusks (37%), echinoderms (11%), annelid worms (1%), tunicates (<1%), crabs/shrimp (<1%) mean percent of total stomach content volume contributed by dietary items Not Reported Not Reported Amchitka Island 309 stomachs Exposure Factor Datasets
Age at Sexual Maturity 4 yr Female Juvenile Amchitka Island Not Reported Exposure Factor Datasets
Duration of Incubation or Gestation estimated gestation including delayed implantation period 12-13 mo Female Adult Amchitka Island 275 reproductive tracts Exposure Factor Datasets
Clutches or Litters per year annual reproductive rate, based on field count, sex ratio, reproductive tract data 14-15 % Both Male and Female Adult Amchitka Island Not Reported Exposure Factor Datasets
Clutch or Litter Size 1 litter size as indicated by reproductive tract examination pup Female Adult Amchitka Island 278 reproductive tracts Exposure Factor Datasets
Survival/ Mortality annual mortality over two years estimated from carcass searches on beaches 8-11 % Both Male and Female Both Adults and Juveniles Amchitka Island 1 population (1076 otters) Exposure Factor Datasets
Citation:

Maternal behavior in the California sea otter

Author(s)
Sandegren, Finn E., Ellen W. Chu and Judson E. Vandevere
Pages
668-679
Year
Volume
54
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Hatching or Parturition December to February peak period of birth Female Adult Point Lobos State Reserve to Lucia Not Reported Exposure Factor Datasets

Peromyscus maniculatus ssp. sonoriensis

Citation:

Effect of altitude on oxygen consumption of deer mice: relation of temperature and season

Author(s)
Hock, Raymond J. and Jane C. Roberts
Pages
365-376
Year
Volume
44
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Metabolic Rate 3.68 oxygen consumption at 20C 0.272 SE ml O2/g/hr Not Reported Not Reported captured at White Mountain Research Station or Salton Sea, CA 9 Exposure Factor Datasets
Metabolic Rate 2.68 oxygen consumption at 32C 0.349 SE ml O2/g/hr Not Reported Not Reported captured at White Mountain Research Station or Salton Sea, CA 9 Exposure Factor Datasets

Sorex ornatus

Citation:

Selenium accumulation in mammals exposed to contaminated California irrigation drainwater

Author(s)
Clark Jr., Donald R.
Pages
147-168
Year
Volume
66
Exposure Endpoint Type Endpoint Value Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 5.2 4 - 7 young/litter Female Adult Kesterson 4 Exposure Factor Datasets
Citation:

Age, sex, and weight comparisons in three species of shrews

Author(s)
Rudd, Robert L.
Pages
323-338
Year
Volume
36
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean range of mean monthly weights 4.17 - 5.86 g Male Adult San Francisco Bay region 3-10/mo Exposure Factor Datasets
Body Weight - Mean range of mean monthly weights 4.25 - 5.3 g Female Adult San Francisco Bay region 1-15/mo Exposure Factor Datasets
Body Weight - Mean range of mean monthly weights 3.0 - 4.75 g Both Male and Female Juvenile San Francisco Bay region 1-7/mo Exposure Factor Datasets
Longevity maximum recorded lifespan 16 - 18 mo Not Reported Adult San Francisco Bay region Not Reported Exposure Factor Datasets

Sylvilagus audubonii

Citation:

Selenium accumulation in mammals exposed to contaminated California irrigation drainwater

Author(s)
Clark Jr., Donald R.
Pages
147-168
Year
Volume
66
Exposure Endpoint Type Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 2 - 3 young/litter Female Adult Volta and Kesterson 2 Exposure Factor Datasets
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