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Displaying 1241 - 1280 of 2236 datapoints
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Sylvilagus bachmani ssp. riparius

Citation:

Status review of the riparian brush rabbit (Sylvilagus bachmani riparius) in California

Author(s)
Larsen, Caryla J.
Pages
1-22
Publisher
California Department of Fish and Game, Nongame Bird and Mammal Section Report
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Type
Clutches or Litters per year review reported 3-4 litters per season (data source not specified) Female Adult Not Reported Exposure Factor Datasets
Duration of Incubation or Gestation review reported gestation period was 27 d (data source unspecified) Female Adult Not Reported Exposure Factor Datasets

Sylvilagus audubonii

Citation:

Summer foods of the Audubon's cottontail (Sylvilagus auduboni: Leporidae)

Author(s)
Scribner, Kim T. and Leslie J. Krysl
Pages
460-463
Year
Volume
27
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Grasses (51.2%); Forbs (45.4%) cumulative dietary frequency estimated from stomach contents (sum of all fragments of a plant species divided by total # plant fragments) % Not Reported Not Reported Castro County, range playa basins 172 Exposure Factor Datasets
Dietary Composition Grasses (32.1%); Forbs (66%) cumulative dietary frequency estimated from stomach contents (sum of all fragments of a plant species divided by total # plant fragments) % Not Reported Not Reported Castro County, agricultural playa basins 172 Exposure Factor Datasets
Citation:

Dietary adaptability of the desert cottontail

Author(s)
Turkowski, Frank J.
Pages
748-756
Year
Volume
39
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Grasses (37.9%); Forbs (41.3%); Shrubs (20.8%) % total dietary bulk (volume), estimated from stomach contents % Not Reported Not Reported Sugarloaf Mountain, Maricopa County (elev., 850m) 97 Exposure Factor Datasets
Clutch or Litter Size 3.7 2 - 6 young/litter Female Adult Sugarloaf Mountain, Maricopa County (elev., 850m) Not Reported Exposure Factor Datasets

Sylvilagus audubonii ssp. arizonae

Citation:

Reproduction in the Audubon cottontail in Arizona

Author(s)
Sowls, Lyle K.
Pages
234-243
Year
Issue
2
Volume
38
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 725 560 - 896 g Male Adult southern portion of state 87 Exposure Factor Datasets
Body Weight - Mean 860 562 - 956 g Female Adult southern portion of state 40 Exposure Factor Datasets
Time of Mating/ Laying Jan. - Aug. time of breeding Both Male and Female Adult southern portion of state Not Reported Exposure Factor Datasets
Clutch or Litter Size 2.9 estimated by embryo counts 2 - 4 young/litter Female Adult southern portion of state 56 Exposure Factor Datasets
Age at Sexual Maturity < 9 earliest age when pregnancy noted mo Female Adult southern portion of state Not Reported Exposure Factor Datasets
Citation:

The breeding biology of the desert cottontail in the Phoenix region, Arizona

Author(s)
Stout, Gene G.
Pages
47-51
Year
Volume
34
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 2.7 estimated by uterine scar counts 2 - 6 young/litter Female Adult Phoenix Not Reported Exposure Factor Datasets
Time of Mating/ Laying Jan. - Aug. time of breeding Both Male and Female Adult Phoenix 101 Exposure Factor Datasets

Zalophus californianus

Citation:

Effects of the 1982-1983 El Nino on several population parameters and diet of California sea lions on the Califonia channel islands

Author(s)
DeLong, R. L., G.A. Antonelis, C.W. Oliver, B.S. Stewart, M.S. Lowry and P.K. Yochem
Pages
166-172
Publisher
Springer Verlag
Year
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean range of mean weights taken over 5 yrs at 2 sites 13.1 - 19.6 kg Female Pup San Miguel and San Clemente Islands 41 - 151/yr Exposure Factor Datasets
Citation:

Spring and summer prey of California sea lions, Zalophus californianus, at San Miguel Island, California 1978-79

Author(s)
Antonelis, George A., Clifford H. Fiscus and Robert L. DeLong
Pages
67-76
Year
Issue
1
Volume
82
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Pacific whiting (48.7%); market squid (46.7%); juvenile rockfish (35.9%); northern anchovy (20.0%); red octopus (9.7%); jack mackerel (4.6%); nail squid (4.6%); squid (4.1%);chub mackerel (3.6%); Pacific pompano (2.5%); California lantern fish (2.5%) % occurrence of major prey (>1%) in scats % Both Male and Female Both Adults and Juveniles San Miguel Island 224 scats Exposure Factor Datasets
Citation:

The effect of El Nino on pup development in the California sea lion (Zalophus californianus); I. Early postnatal growth

Author(s)
Boness, D. J., O. T. Oftedal,and K. A. Ono
Pages
173-179
Publisher
Springer Verlag
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 8.4 mean size neonate ; pre El Nino 1982 0.146 SE kg Not Reported Neonate San Nicolas Island 39 neonates Exposure Factor Datasets
Body Weight - Mean 8.1 mean weight; El Nino 1983 0.163 SE kg Not Reported Neonate San Nicolas Island 31 neonates Exposure Factor Datasets
Body Weight - Mean 8.2 mean weight, post el Nino 1984 0.229 SE kg Not Reported Neonate San Nicolas Island 16 neonates Exposure Factor Datasets
Body Weight - Mean 8.6 mean weight; 2 years post el Nino (1985) 0.227 SE kg Not Reported Neonate San Nicolas Island 16 neonates Exposure Factor Datasets
Growth Rate 0.132 pre-el Nino; 0-2 months 0.007 SE kg/d Not Reported Pup San Nicolas Island 32 Exposure Factor Datasets
Growth Rate 0.101 pups 0-2 months old; El Nino 1983; 0.007 SE kg/d Not Reported Pup San Nicolas Island 30 Exposure Factor Datasets
Growth Rate 0.125 post el Nino 1984 0.007SE kg/d Not Reported Pup San Nicolas Island 32 Exposure Factor Datasets
Growth Rate 0.130 2 years post el nino (1985); 0-2 months 0.006 SE kg/d Not Reported Pup San Nicolas Island 38 Exposure Factor Datasets
Citation:

Population abundance, pup mortality, and copulation frequency in the California sea lion in relation to the 1983 El Nino on San Nicolas Island

Author(s)
Francis, J. M. and C. B. Heath
Pages
271-288
Publisher
Springer Verlag
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutches or Litters per year range of fecundity over 4 yrs; peak pup/peak female counts 0.23-0.30 pups/female/yr Female Adult San Nicolas Island 4360-6952 pups Exposure Factor Datasets
Survival/ Mortality 10-18 range of % mortality during the first 2 mo of life; estimated over 3 yrs % Female Pup San Nicolas Island 2679 pups Exposure Factor Datasets
Citation:

The pinnipeds of the California current

Author(s)
Antonelis, George A. and Clifford H. Fiscus
Pages
68-78
Year
Volume
21
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Type
Body Weight - Mean 380 kg Male Adult Not Reported Exposure Factor Datasets
Body Weight - Mean 100 kg Female Adult Not Reported Exposure Factor Datasets
Body Weight - Mean 9 kg Not Reported Neonate Not Reported Exposure Factor Datasets
Citation:

Validation of heart rate and doubly labelled water as measures of metabolic rate during swimming in California sea lions

Author(s)
Boyd, I. L., A. J. Woakes, P.J. Butler, R.W. Davis and T.M. Williams
Pages
151-160
Year
Issue
2
Volume
9
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Metabolic Rate range of mean field metabolic rates estimated by oxygen consumption using direct respirometry and doubly labelled water methods; exercise regime used to simulate swimming 11.8-15.01 ml O2/min/kg Both Male and Female Juvenile 6 Exposure Factor Datasets
Citation:

Thermoregulation and resting metabolic rate of California sea lion (Zalophus californianus) pups

Author(s)
Thompson, Steven, D., Kathryn A. Ono, Olav T. Oftedal and Daryl J. Boness
Pages
730-736
Year
Issue
6
Volume
60
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 12,000 231 SE 8,333 - 14, 512 g Both Male and Female Pup captured at San Nicolas Island, CA 39 Exposure Factor Datasets
Metabolic Rate 0.78 resting metabolic rate measured over a range of ambient temperatures (16-25C) 0.10 ml O2/g/hr Both Male and Female Pup captured at San Nicolas Island, CA 39 Exposure Factor Datasets
Citation:

Food habits of the California sea lion, Zalophus californianus, at San Clemente Island, California, 1981-86

Author(s)
Lowry, Mark S., Charles W. Oliver, Carolyn Macky and Jeannie B. Wexler
Pages
509-521
Year
Volume
88
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition northern anchovy (51.3%); jack mackerel (24.6%); pelagic crab (21.2%); Pacific whiting (19.6%); rockfish (19.0%); market squid (16.3%); blacksmith (10.7%); Pacific mackerel (9.5%); octopus (5.1%); squid (2.2%); senorita (1.1%); lanternfish (1.3%) % of scats in which major (>1%) prey occurred % Not Reported Not Reported San Clemente Island 1309 scats Exposure Factor Datasets
Dietary Composition northern anchovy (24.7%); jack mackerel (11.8%); pelagic red crab (10.2%); Pacific whiting (9.4%); rockfish (9.2%); market squid (7.9%); blacksmith (5.1%); Pacific mackerel (4.6%); octopus (2.5%); squid (1.1%) % occurrence of major (>1%) prey taxon from a tally of occurrences of all prey taxa in scats % Not Reported Not Reported San Clemente Island 1309 scats Exposure Factor Datasets

Vulpes macrotis ssp. mutica

Citation:

Prey abundance and food habits of San Joaquin kit fox (Vulpes velox macrotis) at Camp Roberts Army National Guard Training Site, California

Author(s)
Logan, Christopher G., William H. Berry, William G. Standley and Thomas T. Kato
Pages
21
Publisher
EG and G Energy Measurements, Inc., Operations Report No. 10617-2158
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Spermophilus beecheyi (35%), soluble material (16.6%), grasshoppers/crickets (12.9%), lagomorphs (12.2%), kangaroo rats (9.1%), miscellaneous (10.2%), deer mice/wood rats (7.7%), birds (5.2%), beetles/weevils (3.5%), vegetation (2.8%), snakes (2.0%), pocket mice (0.8%), pocket gophers (0.5%), lizards (0.2%) frequency of occurrence of prey items found in scat % Both Male and Female Both Adults and Juveniles Camp Roberts 649 scats Exposure Factor Datasets
Citation:

Diet of the San Joaquin kit fox, Vulpes macrotis mutica, on Naval Petroleum Reserve #1, Kern County, California, 1980-1984

Author(s)
Scrivner, Jerry H., Thomas P. O'Farrell and Thomas T. Kato
Pages
26
Publisher
EG&G Energy Measurements, EGG 10282-2168
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition lagomorphs (73.3%), kangaroo rats (13.1%), San Joaquin antelope ground squirrel (2.9%), San Joaquin kit fox (2.8%), Cricetidinae (1.3%), Heteromyidae (0.8%), San Joaquin pocket mouse (0.7%), California ground squirrel (0.6%), southern grasshopper mouse (0.5%), sheep (0.5%), Botta pocket gopher (0.3%), birds (1.4%), snakes (1.2%), lizards (0.1%), grasshoppers and crickets (6.2%), beetles (1.0%), arthropods (0.2%), grass (1.7%), soluble material (5.2%), other (9.1%) frequency of occurrence of food items found in scat % Both Male and Female Both Adults and Juveniles Naval Petroleum Reserve #1 1430 scats Exposure Factor Datasets

Vulpes macrotis

Citation:

Water economy of two desert canids: Coyote and kit fox

Author(s)
Golightly, Richard T. and Robert D. Ohmart
Pages
51-58
Year
Issue
1
Volume
65
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Food Ingestion Rate 115 estimated daily food intake based on a desert kangaroo diet (7.38 kJ/g wet wt) and calculated daily energy requirements (see Golightly, 1981) g/d Both Male and Female Adult Not Reported Exposure Factor Datasets
Food Ingestion Rate 101 estimated daily food intake based on a desert kangaroo diet (7.38 kJ/g wet wt) and calculated daily energy requirements (see Golightly, 1981) g/d Both Male and Female Adult Not Reported Exposure Factor Datasets

Microtus californicus

Citation:

Supression of growth and reproduction of microtine rodents by social factors

Author(s)
Batzli, G. O., Lowell L. Getz, and Sarah S. Hurley
Pages
583-591
Year
Issue
4
Volume
58
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Age at Sexual Maturity 30 time when females became perforate and males became scrotal d Both Male and Female Adult Not Reported Exposure Factor Datasets
Duration of Incubation or Gestation 20 - 22 d Both Male and Female Embryo Not Reported Exposure Factor Datasets
Growth Rate see citation figure of body weight at ages 20 - 180 d g/d Both Male and Female Both Adults and Juveniles Not Reported Exposure Factor Datasets
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