Data:Urocitellus comparison
| Species | Urocitellus armatus |
|---|---|
| Subgroup | big-eared |
| Total_length | 280–303 mm |
| Greatest_length_of_skull | 45.6–48.5 mm |
| Measurement_reference | Eshelman and Sonnemann (2000) |
| Species | Urocitellus beldingi |
|---|---|
| Subgroup | big-eared |
| Total_length | 230–300 mm |
| Greatest_length_of_skull | 41.3–46.3 mm |
| Measurement_reference | Jenkins and Eshelman (1984) |
| Species | Urocitellus brunneus |
|---|---|
| Subgroup | small-eared* |
| Total_length | 209–258 mm |
| Greatest_length_of_skull | 36.1–42.5 mm |
| Measurement_reference | Yensen and Sherman (1997) |
| Species | Urocitellus canus |
|---|---|
| Subgroup | small-eared |
| Total_length | typically <250 mm |
| Greatest_length_of_skull | 34.6–38.7 mm (condylobasal length) |
| Measurement_reference | Cole and Wilson (2009) |
| Species | Urocitellus columbianus |
|---|---|
| Subgroup | big-eared |
| Total_length | 325–410 mm |
| Greatest_length_of_skull | 51.7 mm (ssp. ruficaudus) |
| Measurement_reference | Elliot and Flinders (1991) |
| Species | Urocitellus elegans |
|---|---|
| Subgroup | big-eared |
| Total_length | 253–307 mm |
| Greatest_length_of_skull | 43.0–46.8 mm |
| Measurement_reference | Zegers (1984) |
| Species | Urocitellus idahoensis |
|---|---|
| Subgroup | small-eared |
| Total_length | 188 mm (holotype for subspecies artemesiae); 263 mm (holotype for subspecies idahoensis) |
| Greatest_length_of_skull | 32.7–36.2 mm (condylobasal length for subspecies artemesiae); 36.2–39.0 (condylobasal length subspecies idahoensis) |
| Measurement_reference | McLean (2025) |
| Species | Urocitellus mollis |
|---|---|
| Subgroup | small-eared |
| Total_length | 188 mm (holotype) |
| Greatest_length_of_skull | 33.4–38.6 mm (condylobasal length) |
| Measurement_reference | McLean (2025) |
| Species | Urocitellus parryii |
|---|---|
| Subgroup | big-eared |
| Total_length | 300–495 mm |
| Greatest_length_of_skull | 53.2–65.8 mm |
| Measurement_reference | McLean (2018) |
| Species | Urocitellus richardsonii |
|---|---|
| Subgroup | big-eared |
| Total_length | 277–330 mm |
| Greatest_length_of_skull | 45.1–48.4 mm |
| Measurement_reference | Michener and Koeppl (1985); Hazard (1982) |
| Species | Urocitellus townsendii |
|---|---|
| Subgroup | small-eared |
| Total_length | Museum help needed |
| Greatest_length_of_skull | Museum help needed |
| Measurement_reference |
| Species | Urocitellus washingtoni |
|---|---|
| Subgroup | small-eared |
| Total_length | 185–245 mm |
| Greatest_length_of_skull | 35.0–41.8 mm |
| Measurement_reference | Rickart and Yensen (1991) |