California pocket mouse
California pocket mouse | |
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In Pleasanton, California, US | |
Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Rodentia |
Family: | Heteromyidae |
Genus: | Chaetodipus |
Species: | C. californicus
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Binomial name | |
Chaetodipus californicus (Merriam, 1889)
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The California pocket mouse (Chaetodipus californicus) is a species of nocturnal and primarily solitary rodent in the family Heteromyidae.
Distribution
Chaetodipus californicus is native to California in the western United States and northern Baja California state in north-western Mexico.[1] It is found in habitats, such as California chaparral and woodlands, in Southern California throughout the Southern Sierra Nevada, Southern California Coast Ranges, and the Transverse Ranges; and in Southern California and northern Baja California in the Peninsular Ranges.[1]
Eight known subspecies of C. californicus exist throughout its distribution. They are C. c. californicus, C. c. femoralis, C. c. dispar, C. c. mesopolius, C. c. ochrus, C. c. bernandinus, C. c. bensoni, and C. c. merinensis. They can be found around Berkeley in Alameda Co.; Dulzura, San Diego Co.; Carpenteria, Santa Barbara Co.; Sierra San Pedro Martir, Baja California; Santiago Springs, Kern Co.; San Bernandino Mountains in San Bernandino Co.; Soledad, Monterey Co.; and Indian Harbor, Monterey Co. The distribution boundaries for the Southern subspecies are less well known than the Northern ones.[2] Despite their relatively widespread over the majority of central and southern California, the known habitat of the Californian pocket mouse is shrinking due to climate change and other human activities such as residential development.[3]
Description
The dental formula of Chaetodipus californicus is 1.0.1.31.0.1.3 × 2 = 20 teeth in total.[4]
Its fur is brown on top and tan underneath with distinct white hairs, or spines, near the rump. The tail is dark on top, light underneath and tufted at the end. Females and males are about the same size, showing no sexual dimorphism. C. californicus is often mistaken for C. fallax (San Diego pocket mouse) which shares some of the same habitat but has smaller and rounder ears.[5] Its total tail length is 190–235 mm, tail length is 102–143 mm, and weight is 18-29 g.[6]
Diet
The California pocket mouse is mainly a granivore, feeding mainly on seeds.[7] However, it also eats insects and leaves. Like all members of the Family Heteromyidae, C. californicus has external cheek pouches which it uses to store seeds.
See also
References
- ^ a b c Linzey, A.V.; Timm, R.; Álvarez-Castañeda, S.T.; Castro-Arellano, I.; Lacher, T. (2017) [errata version of 2016 assessment]. "Chaetodipus californicus". IUCN Red List of Threatened Species. 2016: e.T4329A115068220. doi:10.2305/IUCN.UK.2016-3.RLTS.T4329A22226455.en. Retrieved 22 October 2022.
- ^ Yamamoto, Osamu (2007). Microsatellite analysis of the Chaetodipus californicus, in southern California (Thesis). ProQuest 304846672.[page needed]
- ^ Chaudhary, Vratika; Tietje, William D; Polyakov, Anne Y; Rolland, Virginie; Oli, Madan K (2021-07-06). "Factors driving California pocket mice (Chaetodipus californicus) population dynamics". Journal of Mammalogy. 102 (5): 1353–1364. doi:10.1093/jmammal/gyab067.
- ^ "Heteromyidae (kangaroo rats, pocket mice, and relatives)". Animal Diversity Web. Retrieved 2017-11-20.
- ^ "Chaetodipus californicus (California pocket mouse)". Animal Diversity Web. Retrieved 2017-12-04.
- ^ Kays, Roland W.; Wilson, Don E. (2009). Mammals of North America: Second Edition (2nd ed.). Princeton University Press. ISBN 978-1-4008-3350-4. OCLC 682621316.[page needed]
- ^ Chaudhary, Vratika; Tietje, William D; Polyakov, Anne Y; Rolland, Virginie; Oli, Madan K (2021-10-11). Zollner, Patrick (ed.). "Factors driving California pocket mice ( Chaetodipus californicus ) population dynamics". Journal of Mammalogy. 102 (5): 1353–1364. doi:10.1093/jmammal/gyab067.
Further reading
- Patton, James L. (2005). "Family Heteromyidae". In Wilson, Don E.; Reeder, DeeAnn M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference. JHU Press. pp. 844–858. ISBN 978-0-8018-8221-0.
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- Chaetodipus
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- Fauna of the California chaparral and woodlands
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- Natural history of the Peninsular Ranges
- Natural history of the Transverse Ranges
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