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Vulpes macrotis ssp. mutica

Citation:

Reproduction and spacing patterns of kit foxes relative to changing prey availability

Author(s)
White, Patrick J. and Katherine Ralls
Pages
861-867
Year
Issue
4
Volume
57
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density minimum densities of foxes in study area over three years 1 fox /4.1 km2 - 1 fox / 6.5 km2 Both Male and Female Adult Carrizo Plain Natural Area 15-22 foxes/year Exposure Factor Datasets
Clutch or Litter Size 1-3 pups Female Adult Carrizo Plain Natural Area 4 foxes Exposure Factor Datasets
Home Range 11.6 individual home range size 0.9 SE km2 Both Male and Female Adult Carrizo Plain Natural Area 21 foxes Exposure Factor Datasets
Citation:

Functional and numerical responses of kit foxes to a short-term decline in mammalian prey

Author(s)
White, Patrick J., Callie A. Vanderbilt White and Katherine Ralls
Pages
370-376
Year
Issue
2
Volume
77
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition deer mice (10.8%), kangaroo rats (8.4%), pocket gophers (2.9%), pocket mice (20.0%), woodrats (0.6%), ground squirrels (6.4%), birds (7.5%), insects (33.5%), leporids (4.7%), reptiles (2.0%), percentage occurrence of prey types in feces % Both Male and Female Adult Carrizo Plain Natural Area 834 feces Exposure Factor Datasets
Citation:

Distribution and habitat requirements of the San Joaquin kit fox in the northern extreme of their range

Author(s)
Orloff, Susan, Frank Hall and Linda Spiegel
Pages
60-70
Year
Volume
22
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Jerusalem crickets (27%), unident. birds (2%), rabbits (3%), California ground squirrel (35%), pocket mice (2%), western harvest mice (17%), Peromyscus sp. (13%) percent volume of total prey items in scat % Both Male and Female Not Reported Bethany Reservoir 10 scats Exposure Factor Datasets
Dietary Composition Jerusalem crickets (1%), unident. reptiles (1%), unident. birds (1%), rabbits (5%), California ground squirrel (62%), pocket mice (5%), western harvest mice (10%), Peromyscus sp. (11%) percent volume of total prey items in scat % Both Male and Female Not Reported Bethany Reservoir 10 scats Exposure Factor Datasets
Dietary Composition Jerusalem crickets (20%), unident. insects (4%), unident. birds (10%), desert cottontail (1%), rabbits (5%), California ground squirrel (27%), pocket mice (13%), western harvest mice (9%), Peromyscus sp. (9%), unident. cricetid rodents (5%) percent volume of total prey items in scat % Both Male and Female Not Reported Bethany Reservoir 10 scats Exposure Factor Datasets
Dietary Composition unident. vegetation (4%), California ground squirrel (83%), California pocket mice (2%), Peromyscus sp. (5%), unident. cricetid rodents (5%) percent volume of total prey items in scat % Both Male and Female Not Reported Bethany Reservoir 10 scats Exposure Factor Datasets
Survival/ Mortality 80 % Both Male and Female Juvenile Bethany Reservoir 5 foxes Exposure Factor Datasets
Survival/ Mortality 67 % Both Male and Female Adult Bethany Reservoir 3 foxes Exposure Factor Datasets

Vulpes macrotis

Citation:

Size and spatial organization of home ranges of kit foxes in Arizona

Author(s)
Zoellick, Bruce W. and Norman S. Smith
Pages
83-88
Year
Issue
1
Volume
73
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Home Range 9.8 home range as calculated with the grid-cell method 0.1.4 SE km2 Female Adult 7.5 km NW Tonopah 3 foxes Exposure Factor Datasets
Home Range 12.3 home range as calculated with the grid-cell method 1.0 SE km2 Male Adult 7.5 km NW Tonopah 4 foxes Exposure Factor Datasets

Vulpes macrotis ssp. nevadensis

Citation:

Population dynamics of the kit fox in western Utah

Author(s)
Egoscue, Harold J.
Pages
122-127
Year
Issue
3
Volume
74
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal late summer time of juvenile dispersal from natal territory Both Male and Female Juvenile western Utah Not Reported Exposure Factor Datasets

Dipodomys merriami

Citation:

Energy relationships of the mammals of a desert shrub (Larrea tridentata) community

Author(s)
Chew, Robert M. and Alice Eastlake Chew
Pages
1-20
Year
Issue
1
Volume
40
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 11.47 7.8 - 15.6 #/ha Both Male and Female Both Adults and Juveniles San Simon Valley, Portal (elev., 1370 m) Not Reported Exposure Factor Datasets
Home Range 62.0 average range of movement after 3 captures 4.7 m Both Male and Female Adult San Simon Valley Not Reported Exposure Factor Datasets
Metabolic Rate maintenance energy expenditure estimated from oxygen consumption 103 - 181 kcal/day Both Male and Female Adult captured at San Simon Valley, AZ from Aug. - July 6/sampling period; 10 periods Exposure Factor Datasets
Body Weight - Mean 39.1 - 44.1 g Male Adult San Simon Valley Not Reported Exposure Factor Datasets
Body Weight - Mean 38.4 - 44.38 g Female Adult San Simon Valley Not Reported Exposure Factor Datasets
Growth Rate see citation figure of changes in weight over time Both Male and Female Juvenile San Simon Valley, Portal (elev., 1370 m) 90 Exposure Factor Datasets
Dietary Composition seeds (82%), herbs (14%), shrub (2%), arthropods (2%) % occurence of food items in cheek pouch contents % Not Reported Not Reported San Simon Valley, Portal (elev., 1370 m) 15 Exposure Factor Datasets
Citation:

Reproduction and food habits of Merriam's kangaroo rat, Dipodomys merriami

Author(s)
Bradley, W. Glenn and Roger A. Mauer
Pages
497-507
Year
Issue
3
Volume
52
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 2.6 estimated by embryo counts 1-5 pups /litter Female Adult Las Vegas Valley, Clark County (elev., 2500 ft) 163 Exposure Factor Datasets
Age at Sexual Maturity <2 age when reproductive activity observed mo Both Male and Female Adult Las Vegas Valley, Clark County (elev., 2500 ft) 10 Exposure Factor Datasets
Dietary Composition grass seeds (74.2%), annual forb seeds (37.4%), perennial seeds (7.4%), vegetative plant parts (7.4%), insect parts (0.3%), debris (2.7%), unidentified seeds (3%) % occurrence in cheek pouch contents % Not Reported Not Reported Las Vegas Valley, Clark County (elev., 2500 ft) 411 Exposure Factor Datasets
Citation:

The influence of ambient temperature, seed composition and body size on water balance and seed selection in coexisting heteromyid rodents

Author(s)
Hulbert, A.J. and Richard E. MacMillen
Pages
521-526
Year
Issue
4
Volume
75
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean range of means of initial weights for 3 experimental groups 38.3 - 40.5 g Not Reported Not Reported captured at Joshua Tree, San Bernadino County, CA 9/group Exposure Factor Datasets
Citation:

Population Ecology of a desert rodent: Dipodomys merriami in the Chihuahuan Desert

Author(s)
Zeng, Zongyong and James H. Brown
Pages
1328-1340
Year
Issue
5
Volume
68
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 7.8 3 - 15 #/ha Both Male and Female Not Reported Cave Creek Bajada, Cochise County (elev., 1330 m) 782 Exposure Factor Datasets
Body Weight - Mean 44.0 0.3 g Male Adult Cave Creek Bajada, Cochise County (elev., 1330 m) 443 Exposure Factor Datasets
Body Weight - Mean 41.1 0.1 g Female Adult Cave Creek Bajada, Cochise County (elev., 1330 m) Not Reported Exposure Factor Datasets
Body Weight - Mean 49.9 0.2 g Male Adult Cave Creek Bajada, Cochise County (elev., 1330 m) Not Reported Exposure Factor Datasets
Home Range 44.1 mean distance moved from site of initial capture m Male Not Reported Cave Creek Bajada, Cochise County (elev., 1330 m) 443 Exposure Factor Datasets
Home Range 53.8 mean distance moved from site of initial capture m Female Not Reported Cave Creek Bajada, Cochise County (elev., 1330 m) 339 Exposure Factor Datasets
Longevity at least 36 oldest recorded mo Female Adult Cave Creek Bajada, Cochise County (elev., 1330 m) 3 Exposure Factor Datasets
Survival/ Mortality 0.304 death rate per yr /yr Male Not Reported Cave Creek Bajada, Cochise County (elev., 1330 m) 443 Exposure Factor Datasets
Survival/ Mortality 0.370 death rate per yr /yr Female Not Reported Cave Creek Bajada, Cochise County (elev., 1330 m) 354 Exposure Factor Datasets
Citation:

Organ weights and serum total cholesterol in the kangarooo rat (Dipodomys merriami)

Author(s)
Robinson, P.F., Henry J. Montoye, David B. Dill, Ling, Nan-Sing, Todor Kresteff
Pages
403-408
Year
Volume
31
Exposure Endpoint Type Endpoint Value Error Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 39.6 7.1 SD 23.2 - 46.2 g Female Not Reported captured at Boulder City, NV 11 Exposure Factor Datasets
Body Weight - Mean 34.2 3.8 SD 26.4 - 39.7 g Male Not Reported captured at Boulder City, NV 16 Exposure Factor Datasets
Citation:

Consumption of herbaceaous vegetation and water during reproduction and development of Merriam's Kangaroo rat, Dipodomys merriami

Author(s)
Soholt, Lars F.
Pages
445-457
Year
Issue
2
Volume
98
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Water Ingestion Rate 4.8 estimated from food intake (rolled oats and carrots) g/d Female Adult captured in Clark County, NV 16 Exposure Factor Datasets
Water Ingestion Rate 10.7 estimated from food intake (rolled oats and carrots) g/d Female Adult captured in Clark County, NV 4-9 Exposure Factor Datasets
Clutch or Litter Size 2.8 1-5 young/litter Female Adult captured in Clark County, NV Not Reported Exposure Factor Datasets
Citation:

Dispersal distance and the range of nightly movements in Merriam's kangaroo rats

Author(s)
Jones, Thomas W.
Pages
27-34
Year
Issue
1
Volume
70
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Location Sample Size Type
Age at Sexual Maturity 2 mo Not Reported Adult Portal Not Reported Exposure Factor Datasets
Longevity 2 yrs Not Reported Adult Portal Not Reported Exposure Factor Datasets
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