North American Water Vole

2001 California Academy of Sciences cc-by-nc-sa-3.0

Microtus richardsoni (North American Water Vole) is a species of Rodentia in the family Cricetidae. They are associated with freshwater habitat. They are native to The Nearctic. They are solitary herbivores. Individuals are known to live for 18 months and can grow to 154.66 mm. Reproduction is viviparous.

URI: http://purl.obolibrary.org/obo/ENVO_00000873
Definition: A biome that applies to the freshwater realm.

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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://eol.org/schema/terms/solitary
Definition: Solitary animals are those that spend a majority of their lives without others of their species, with possible exceptions for mating and raising their young. Antonyms for a solitary animal include a social animal or a colonial animal.
Attribution: https://www.definitions.net/definition/solitary+animal

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URI: http://www.marinespecies.org/traits/Viviparous
Definition: 1) Producing live offspring from within the body of the parent (Lincoln et al., 1998). 2) Development of an embryo within the body of the parent, in part, resources passing directly from parent to embryo (Barnes et al., 2006).
Attribution: Lincoln, R., Boxshall, G. & Clark, P., 1998. A dictionary of ecology, evolution and systematics (2nd ed.). Cambridge: Cambridge University of Press. Barnes R.S.K., Calow P., Olive P.J.W., Golding, D.W, and Spicer, J.I. 2006. The invertebrates: a new synthesis, Oxford: Blackwell Science Ltd. http://www.marinespecies.org/traits/wiki/Traits:Viviparous

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EOL has data for 57 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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12 days
body shape
- URI: http://eol.org/schema/terms/BodyShape
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bilaterally symmetric
- URI: http://purl.obolibrary.org/obo/PATO_0001324
- Definition: being symmetric about a plane running from frontal end to caudal end (head to tail), and having nearly identical right and left halves
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diet breadth
- URI: http://eol.org/schema/terms/DietBreadth
- Definition: Number of dietary categories eaten by an organism.
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2
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 only
- URI: http://eol.org/schema/terms/groundDwelling
- Definition: An organism that spends most of its time on the ground or underground.
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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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upper pleistocene age
- URI: http://resource.geosciml.org/classifier/ics/ischart/UpperPleistocene
- Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale
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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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860149.48 km^2
habitat breadth
- URI: http://eol.org/schema/terms/HabitatBreadth
- Definition: Number of habitat layers used by an organism
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2
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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0.000253734 km^2
litters per year
- URI: http://eol.org/schema/terms/LittersPerYear
- Definition: Number of litters per female per year
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2
mating system
- URI: http://eol.org/schema/terms/MatingSystem
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not monogamous
- URI: http://eol.org/schema/terms/notMonogamous
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native range includes
- URI: http://eol.org/schema/terms/NativeRange
- Definition: Lists jurisdictions in which a given organism is a member of the undisturbed fauna or flora.
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The Nearctic
- 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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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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22 days

Known occurrences, collected specimens and observations of North American Water Vole. View this species on GBIF

2001 California Academy of Sciences cc-by-nc-sa-3.0

Microtus richardsoni (De Kay 1842)