American Toad

Anaxyrus americanus (Holbrook 1836)

2010 Todd Pierson cc-by-nc

Anaxyrus americanus (American Toad) is a species of Lissamphibia in the family Bufonidae. They are associated with freshwater habitat. They are native to The Nearctic. They are solitary, crepuscular carnivores. Individuals can grow to 111 mm. They have sexual reproduction. They have parental care (female provides care). They rely on saltation to move around.

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/Q81875
Definition: organism that eats mostly or exclusively animal tissue
Attribution: Crustacean body sizes

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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://purl.obolibrary.org/obo/ECOCORE_00000078
Definition: active primarily during dawn and dusk

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URI: http://purl.obolibrary.org/obo/GO_0019953
Definition: Capable of creating a new organism by combining the genetic material of two gametes, which may come from two parent organisms or from a single organism, in the case of self-fertilizing hermaphrodites.

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URI: http://eol.org/schema/terms/parentalCareFemale
Definition: the female feeds and nurtures offspring
Attribution: Richard M. Sibly, Christopher C. Witt, Natalie A. Wright, Chris Venditti, Walter Jetz, and James H. Brown. 2012. Energetics, lifestyle, and reproduction in birds. PNAS 109(27):10937-10941, doi:10.1073/pnas.1206512109

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URI: http://purl.obolibrary.org/obo/NBO_0000370
Definition: (Bipedal jumping.) Behavior related to the upward thrust produced by the rapid, simultaneous extension of the hind legs with the intend to rise in the air

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EOL has data for 50 attributes, including:

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 includes
- URI: http://eol.org/schema/terms/Diet
- Definition: Information about the items eaten by this organism.
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algae
- URI: https://www.wikidata.org/entity/Q37868
- Definition: polyphyletic group of photosynthetic nonvascular organisms
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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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amphibious
- URI: http://eol.org/schema/terms/amphibious
- Definition: organism that is adapted to both life on land and in the water.
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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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2.588 million years ago
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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head-body length
- URI: http://eol.org/schema/terms/HeadBodyLength
- Definition: Head-body length is the total length from tip of nose to anus, base of tail or vent (i.e. tail length is excluded).
- Comment: Example: snout vent length in amphibians
- Attribution: YouTheria Manual: Head-body length http://www.utheria.org/head-bodylength.aspx
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111 mm
inter-birth interval
- URI: http://eol.org/schema/terms/InterBirthInterval
- Definition: The length of time between successive births of a female.
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365 days
mating system
- URI: http://eol.org/schema/terms/MatingSystem
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polygynous
- URI: http://purl.obolibrary.org/obo/ECOCORE_00000065
- Definition: One male has an exclusive mating relationship with two or more females
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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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8 days
social system
- URI: http://eol.org/schema/terms/SocialSystem
- Definition: Description of the relationships among individuals within a population of organisms, including reproductive relationships (mating system), relationships within each sex, adult – young interactions, helpers and cooperation (group living).
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solitary
- 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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trophic guild
- URI: http://eol.org/schema/terms/TrophicGuild
- Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
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invertivore
- URI: http://eol.org/schema/terms/invertivore
- Definition: An organism that feed on invertebrate animals (insects, crustaceans, molluscs, worms, etc.)
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Known occurrences, collected specimens and observations of American Toad. View this species on GBIF

2010 Todd Pierson cc-by-nc