Willow Flycatcher

Empidonax traillii (Audubon 1828)

Jamie Chavez cc-by-nc-2.0

Empidonax traillii (Willow Flycatcher) is a species of birds in the family tyrant flycatchers. They are native to The Neotropics and The Nearctic. They are diurnal carnivores. They have parental care (paternal care and female provides care). They rely on flight to move around.

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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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://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: http://eol.org/schema/terms/paternalCare

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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_0000367
Definition: self-propelled movement of an organism from one location to another through the air, usually by means of active wing movement

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EOL has data for 38 attributes, including:

Body symmetry
- URI: http://eol.org/schema/terms/body_symmetry
- Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
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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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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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insects
- URI: https://www.wikidata.org/entity/Q1390
- Definition: a class of mainly terrestrial arthropods
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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.marineregions.org/mrgid/united_states
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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
litters per year
- URI: http://eol.org/schema/terms/LittersPerYear
- Definition: Number of litters per female per year
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1 /year
mating system
- URI: http://eol.org/schema/terms/MatingSystem
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monogamous
- URI: http://purl.obolibrary.org/obo/ECOCORE_00000063
- Definition: One male and one female have an exclusive mating relationship
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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 Neotropics
- 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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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
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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insectivore
- URI: http://www.wikidata.org/entity/Q677088
- Definition: organism that eats insects.
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type specimen repository
- URI: http://eol.org/schema/terms/TypeSpecimenRepository
- Definition: The institution that holds a type specimen for a given species. The recommended best practice is to use the identifier in a collections registry such as the Biodiversity Collections Index (http://www.biodiversitycollectionsindex.org/).
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Harvard University, Museum of Comparative Zoology
- URI: http://biocol.org/urn:lsid:biocol.org:col:33791
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Known occurrences, collected specimens and observations of Willow Flycatcher. View this species on GBIF

Jamie Chavez cc-by-nc-2.0

Willow Flycatcher includes 4 children: