Western Toad

Anaxyrus boreas (Baird & Girard 1852)

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Anaxyrus boreas (Western Toad) is a species of amphibians in the family toads. They are listed as of special concern by COSEWIC. They are associated with freshwater habitat. Individuals are known to live for 11.5 years.

URI: https://eol.org/schema/terms/special_concern
Definition: may become threatened or endangered because of a combination of biological characteristics and identified threats
Source: https://species-registry.canada.ca/index-en.html#/species

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

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EOL has data for 12 attributes, including:

clutch/brood/litter size
- URI: http://purl.obolibrary.org/obo/VT_0001933
- Definition: Single birth offspring quantity. The proportion or number of offspring produced from a single pregnancy (mammals) or ovulation (fish) or nesting (birds).
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16500
conservation status
- URI: http://rs.tdwg.org/ontology/voc/SPMInfoItems#ConservationStatus
- Definition: degree of conservation concern as assessed by a government agency or other recognized authority such as IUCN or CITES
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of special concern
- URI: https://eol.org/schema/terms/special_concern
- Definition: may become threatened or endangered because of a combination of biological characteristics and identified threats
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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. Not exclusive; other regions may also be reported.
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United States
- URI: http://www.geonames.org/6252001
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habitat
- URI: http://rs.tdwg.org/dwc/terms/habitat
- Definition: A category or description of the habitat in which the Event occurred.
- Comment: Example: "oak savanna", "pre-cordilleran steppe"
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freshwater habitat
- URI: http://purl.obolibrary.org/obo/ENVO_00002037
- Definition: A habitat that is in or on a body of water containing low concentrations of dissolved salts and other total dissolved solids (<0.5 grams dissolved salts per litre).
- Comment: Ontology Description: http://environmentontology.org/ Ontology Source: http://envo.googlecode.com/svn/trunk/src/envo/envo.owl
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habitat includes
- URI: http://eol.org/schema/terms/Habitat
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meadow
- URI: http://purl.obolibrary.org/obo/ENVO_00000108
- Definition: A habitat of rolling or flat terrain where grasses predominate. Typically, what is called a meadow has more biodiversity than a grassland as the former contains not only grasses but a significant variety of annual, biennial and perennial plants.
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onset of fertility
- URI: http://purl.obolibrary.org/obo/VT_0002683
- Definition: The age at which an organism develops the ability to produce live offspring.
- Comment: Ontology Description: http://bioportal.bioontology.org/ontologies/VT
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1095 days
population trend
- URI: http://eol.org/schema/terms/population_trend
- Definition: i.e., increasing, decreasing, stable, or unknown
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Decreasing
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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6 days
total life span
- URI: http://purl.obolibrary.org/obo/VT_0001661
- Definition: The full period of time from birth to death of an organism.
- Comment: Ontology Description: http://bioportal.bioontology.org/ontologies/VT
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11.5 years

Known occurrences, collected specimens and observations of Western toad. View this species on GBIF

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