Willow Flycatcher

Empidonax traillii (Audubon 1828)

Scott Bowers cc-by-nc

Empidonax traillii (Willow Flycatcher) is a species of birds in the family tyrant flycatchers. They are associated with freshwater habitat. They are found in The Nearctic and The Neotropics. Individuals are known to live for 11 years.

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/Q217151
Definition: one of the eight terrestrial ecozones constituting the Earth's land surface
Attribution: https://commons.wikimedia.org/wiki/File:Ecozone_Neotropic.svg

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EOL has data for 16 attributes, including:

biogeographic realm
- URI: http://purl.obolibrary.org/obo/GAZ_00000071
- Definition: The largest scale biogeographic division of the earth's surface based on the historic and evolutionary distribution patterns of plants and animals.
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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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body mass
- URI: http://purl.obolibrary.org/obo/VT_0001259
- Definition: The amount of matter in the body of an organism.
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16.4 g
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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3.6
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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growth rate
- URI: http://purl.bioontology.org/ontology/SNOMEDCT/260865002
- Definition: The rate of increase in the size of an organism per unit time.
- Comment: Replace with GO:growth and PATO:rate once it is available through BATTO.
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0.472 /day
habitat includes
- URI: http://eol.org/schema/terms/Habitat
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freshwater
- URI: http://purl.obolibrary.org/obo/ENVO_00000873
- Definition: A biome that applies to the freshwater realm.
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litters per year
- URI: http://eol.org/schema/terms/LittersPerYear
- Definition: Number of litters per female per year
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1 /year
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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365 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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13 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 years
weight
- URI: http://purl.obolibrary.org/obo/PATO_0000128
- Definition: A physical quality inhering in a bearer that has mass near a gravitational body.
- Comment: Ontology Description: http://bioportal.bioontology.org/ontologies/PATO Ontology Source: http://purl.obolibrary.org/obo/pato.owl
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12.6 g

Known occurrences, collected specimens and observations of Willow Flycatcher. View this species on GBIF

Scott Bowers cc-by-nc

Willow Flycatcher includes 4 children: