Camas pocket gopher

Camas pocket gopher

Kingdom
Phylum
Subphylum
Class
Order
Family
Genus
SPECIES
Thomomys bulbivorus
WEIGHT
633 g
LENGTH
228.6-330.2 mm

The camas pocket gopher, also known as the camas rat or Willamette Valley gopher, is a rodent, the largest member in the genus Thomomys, of the family Geomyidae. First described in 1829, it is endemic to the Willamette Valley of northwestern Oregon in the United States. The herbivorous gopher forages for vegetable and plant matter, which it collects in large, fur-lined, external cheek pouches. Surplus food is hoarded in an extensive system of tunnels. The dull-brown-to-lead-gray coat changes color and texture over the year. The mammal's characteristically large, protuberant incisors are well adapted for use in tunnel construction, particularly in the hard clay soils of the Willamette Valley. The gophers make chattering sounds with their teeth; males and females make purring sounds when they are together, and the young make twittering sounds. Born toothless, blind and hairless, the young grow rapidly before being weaned at about six weeks of age. Although the camas pocket gopher is fiercely defensive when cornered, it may become tame in captivity. While population trends are generally stable, threats to the species' survival include urbanization, habitat conversion for agricultural use and active attempts at eradication with trapping and poisons. It is prey for raptors and carnivorous mammals, and host to several parasitic arthropods and worms. Scientists believe that the gopher's evolutionary history was disrupted when the Missoula Floods washed over the Willamette Valley at the end of the last ice age. The floods almost completely inundated its geographic range, which may have caused a genetic bottleneck as survivors repopulated the region after the waters receded.

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Di

Diurnal

No

Nocturnal

He

Herbivore

Fo

Fossorial

Te

Terrestrial

Te

Territorial

Vi

Viviparous

Bu

Burrowing

Mo

Monogamy

So

Solitary

No

Not a migrant

C

starts with

Distribution

Geography

Continents
Countries
Regions
Biogeographical realms

Camas pocket gopher habitat map

Climate zones

Habits and Lifestyle

Seasonal behavior

Diet and Nutrition

Mating Habits

MATING BEHAVIOR
PREGNANCY DURATION
18 to 19 days
BABY CARRYING
4 to 9
INDEPENDENT AGE
6 weeks

References

1. Camas pocket gopher Wikipedia article - https://en.wikipedia.org/wiki/Camas_pocket_gopher
2. Camas pocket gopher on The IUCN Red List site - https://www.iucnredlist.org/species/42594/22216513

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