Richardson's Ground Squirrel

Urocitellus richardsonii (Sabine 1822)

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Urocitellus richardsonii (Richardson's Ground Squirrel) is a species of rodents in the family squirrels. They are found in The Nearctic. They are diurnal herbivores. Individuals can grow to 210.97 mm. Reproduction is dioecious.

URI: https://www.wikidata.org/entity/Q737742
Definition: one of the eight terrestrial ecozones constituting the Earth's land surface
Attribution: https://commons.wikimedia.org/wiki/File:Ecozone_Nearctic.svg

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URI: https://www.wikidata.org/entity/Q59099
Definition: animal anatomically and physiologically adapted to eating plant material

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URI: http://www.wikidata.org/entity/Q906470
Definition: animal behavior characterized by activity during the day, with a period of inactivity at night.

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URI: https://www.wikidata.org/entity/Q148681
Definition: a characteristic of a species, meaning that it has distinct male and female individual organisms.

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EOL has data for 54 attributes, including:

age at eye opening
- URI: http://eol.org/schema/terms/AgeAtEyeOpening
- Definition: Age at which both eyes are fully open after birth.
- Comment: Add to VT postnatal growth trait ontology
- Attribution: Kate E. Jones, Jon Bielby, Marcel Cardillo, Susanne A. Fritz, Justin O''Dell, C. David L. Orme, Kamran Safi, Wes Sechrest, Elizabeth H. Boakes, Chris Carbone, Christina Connolly, Michael J. Cutts, Janine K. Foster, Richard Grenyer, Michael Habib, Christopher A. Plaster, Samantha A. Price, Elizabeth A. Rigby, Janna Rist, Amber Teacher, Olaf R. P. Bininda-Emonds, John L. Gittleman, Georgina M. Mace, and Andy Purvis. 2009. PanTHERIA, a species-level database of life history, ecology, and geography of extant and recently extinct mammals. Ecology 90:2648. http://esapubs.org/archive/ecol/E090/184/
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22.8 days
age at maturity
- URI: http://eol.org/schema/terms/AgeAtMaturity
- Definition: Age at the first successful reproduction.
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365 days
diet breadth
- URI: http://eol.org/schema/terms/DietBreadth
- Definition: Number of dietary categories eaten by an organism.
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3
dispersal age
- URI: http://eol.org/schema/terms/DispersalAge
- Definition: Age at which young permanently leave the parent, parental group, social group or any associated territories.
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70 days
ecomorphological guild
- URI: http://eol.org/schema/terms/EcomorphologicalGuild
- Definition: organisms that share certain morphological traits due to adaptation to similar environments and ecological roles
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fossorial and/or ground dwelling
- URI: http://eol.org/schema/terms/fossorialOrGround
- Definition: An organism that is adapted to terrestrial life below ground, on or near the ground.
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first appearance
- URI: http://eol.org/schema/terms/FossilFirst
- Definition: The first appearance of this taxon in the fossil record.
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Calabrian Age
- URI: http://resource.geosciml.org/classifier/ics/ischart/Calabrian
- Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale
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geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region
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North Pacific
- URI: http://www.marineregions.org/mrgid/1908
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geographic range (size of area)
- URI: http://eol.org/schema/terms/GeographicRangeArea
- Definition: The total extent of the geographic range of an organism.
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899734.88 km^2
habitat breadth
- URI: http://eol.org/schema/terms/HabitatBreadth
- Definition: Number of habitat layers used by an organism
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1
home range
- URI: http://eol.org/schema/terms/HomeRange
- Definition: Size of the area within which everyday activities of individuals or groups (of any type) are typically restricted.
- Attribution: Kate E. Jones, Jon Bielby, Marcel Cardillo, Susanne A. Fritz, Justin O'Dell, C. David L. Orme, Kamran Safi, Wes Sechrest, Elizabeth H. Boakes, Chris Carbone, Christina Connolly, Michael J. Cutts, Janine K. Foster, Richard Grenyer, Michael Habib, Christopher A. Plaster, Samantha A. Price, Elizabeth A. Rigby, Janna Rist, Amber Teacher, Olaf R. P. Bininda-Emonds, John L. Gittleman, Georgina M. Mace, and Andy Purvis. 2009. PanTHERIA: a species-level database of life history, ecology, and geography of extant and recently extinct mammals. Ecology 90:2648. http://esapubs.org/archive/ecol/E090/184/
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0.00402332 km^2
litters per year
- URI: http://eol.org/schema/terms/LittersPerYear
- Definition: Number of litters per female per year
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1
prenatal development duration
- URI: http://eol.org/schema/terms/PrenatalDevelopmentDuration
- Definition: The duration of the development from fertilized, deposited or implanted egg to hatching/birth. Corresponds to egg incubation duration in oviparous animals and to gestation period duration in viviparous animals.
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24 days

Known occurrences, collected specimens and observations of Richardson's ground squirrel. View this species on GBIF

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