Vulpes macrotis
Kit Fox (Vulpes macrotis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 1820 | mean annual body weight | g | Both Male and Female | Adult | 20 foxes | Exposure Factor Datasets | ||
| Metabolic Rate | 0.0034 | summer basal metabolic rate | watts/g | Both Male and Female | Adult | 12 foxes | Exposure Factor Datasets | Laboratory | |
| Metabolic Rate | 0.0028 | winter basal metabolic rate | watts/g | Both Male and Female | Adult | 12 foxes | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 4 | mean number of pairs on study area | pairs/207 km^2 | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | |
| Population Density | 1 | mean animal density in study area | adult/12.9 km^2 | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | |
| Clutch or Litter Size | 2.5 | mean litter size | pups | Female | Adult | 8 litters | Exposure Factor Datasets | |
| Dietary Composition | black-tailed hare (61.4%), cottontail rabbit (7.7%); also Ord's kangaroo rat, deer mouse, pocket mouse, horned lark, unident. passerine, beetle | proportion of total prey items identified in stomach contents | Both Male and Female | Adult | 18 stomachs | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 9.8 | home range as calculated with the grid-cell method | km2 | Female | Adult | 3 foxes | 7.5 km NW Tonopah | Exposure Factor Datasets | 0.1.4 SE |
| Home Range | 12.3 | home range as calculated with the grid-cell method | km2 | Male | Adult | 4 foxes | 7.5 km NW Tonopah | Exposure Factor Datasets | 1.0 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| 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 | Laboratory | |
| 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 | Laboratory |
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