Camas Pocket Gopher
Thomomys bulbivorus
T. bulbivorus is characterized by its medium size and dark brown to blackish coloration. The upper incisors are smooth, lacking grooves. Cranial characteristics, particul…
How to identify
T. bulbivorus is characterized by its medium size and dark brown to blackish coloration. The upper incisors are smooth, lacking grooves. Cranial characteristics, particularly the shape of the incisors and the size of the auditory bullae, are important for distinguishing this species.
Range
T. bulbivorus is restricted to the Willamette Valley in western Oregon.
Habitat
T. bulbivorus prefers deep, well-drained soils in grasslands and oak savannas of the Willamette Valley. It is often found in areas with camas lilies, a favored food source.
Similar species
T. bulbivorus has a limited range and is not likely to be confused with many other species in the field.
Name and etymology
bulbivorus: Latin for bulb (bulbus) eater (-vorus)
More illustrations
Red coloration
Dark coloration
At a glance
Range
T. bulbivorus is restricted to the Willamette Valley in western Oregon.
Habitat
T. bulbivorus prefers deep, well-drained soils in grasslands and oak savannas of the Willamette Valley. It is often found in…
Guide
Mammals of North America
Range map
Approximate range. © Mapbox © OpenStreetMap