Empidonax difficilis — Facts & Information

Pacific-slope Flycatcher learn more about names for this taxon

Data about <i>Empidonax difficilis</i>

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Physical Description

Data about <i>Empidonax difficilis</i>
Body length (VT) min
Additional detail 14 cm Birds Animal Diversity Web  
average Additional detail 15.5 cm Birds Animal Diversity Web  
max Additional detail 17 cm Birds Animal Diversity Web  
Body mass average
Additional detail 10.5 g Birds Animal Diversity Web  
max Additional detail 12 g Birds Animal Diversity Web  
min Additional detail 9 g Birds Animal Diversity Web  
Wingspan min
Additional detail 6 cm Birds Animal Diversity Web  
average Additional detail 6.5 cm Birds Animal Diversity Web  
max Additional detail 7 cm Birds Animal Diversity Web  
Dimorphism
Additional detail none Birds Animal Diversity Web  
Weight
Additional detail 1.5 g neonate stage AnAge Database of Animal Ageing and Longevity  
Additional detail 11 g adult AnAge Database of Animal Ageing and Longevity  

Ecology

Data about <i>Empidonax difficilis</i>
Habitat
Additional detail freshwater habitat
  • Freshwater habitat
    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).
    http://purl.obolibrary.org/obo/ENVO_00002037
IUCN  
Additional detail terrestrial habitat
  • Terrestrial habitat
    A habitat that is on or at the boundary of the surface of the Earth.
    http://purl.obolibrary.org/obo/ENVO_00002009
IUCN  
Habitat
Additional detail canopy Environments - EOL project  
Additional detail coast
  • Coast
    The general region of indefinite width that extends from the sea inland to the first major change in terrain features.
    http://purl.obolibrary.org/obo/ENVO_00000303
Environments - EOL project  
Additional detail coast
  • Coast
    The general region of indefinite width that extends from the sea inland to the first major change in terrain features.
    http://purl.obolibrary.org/obo/ENVO_00000303
Environments - EOL project  
Additional detail coast
  • Coast
    The general region of indefinite width that extends from the sea inland to the first major change in terrain features.
    http://purl.obolibrary.org/obo/ENVO_00000303
Environments - EOL project  
Additional detail conifer woodland
  • Conifer woodland
    A conifer woodland is a woodland which has a tree community primarily composed of coniferous trees, from the Division Pinophyta, also known as Coniferophyta or Coniferae.
    http://purl.obolibrary.org/obo/ENVO_01000240
Environments - EOL project  
Additional detail forest
  • Forest
    An area with a high density of trees. A small forest may be called a wood.
    http://purl.obolibrary.org/obo/ENVO_00000111
Environments - EOL project  
Additional detail forest
  • Forest
    An area with a high density of trees. A small forest may be called a wood.
    http://purl.obolibrary.org/obo/ENVO_00000111
Environments - EOL project  
Additional detail fresh water Environments - EOL project  
Additional detail lake
  • Lake
    A body of water or other liquid of considerable size contained on a body of land.
    http://purl.obolibrary.org/obo/ENVO_00000020
Environments - EOL project  
Additional detail mount
  • Mount
    A mountain rising from the ocean seafloor that does not reach to the water's surface (sea level), and thus is not an island. Typically formed from volcanoes that rise abruptly and are usually found rising from a seafloor of 1,000 - 4,000 meters depth. Independent features that rise to at least 1,000 meters above the seafloor.
    http://purl.obolibrary.org/obo/ENVO_00000264
Environments - EOL project  
Additional detail mountain
  • Mountain
    A landform that extends above the surrounding terrain in a limited area. A mountain is generally steeper than a hill, but there is no universally accepted standard definition for the height of a mountain or a hill although a mountain usually has an identifiable summit and a local relief of more than 300m.
    http://purl.obolibrary.org/obo/ENVO_00000081
Environments - EOL project  
Additional detail ocean
  • Ocean
    Continuous saline-water bodies that surround the continents and fill the Earth's great depressions.
    http://purl.obolibrary.org/obo/ENVO_00000015
Environments - EOL project  
Additional detail pond
  • Pond
    A body of water, usually of smaller size than a lake.
    http://purl.obolibrary.org/obo/ENVO_00000033
Environments - EOL project  
Additional detail slope
  • Slope
    The part of an elevation or depression between the relatively flat surrounding area and the peak of a mount or the bottom of a depression.
    http://purl.obolibrary.org/obo/ENVO_00002000
Environments - EOL project  
Additional detail stream
  • Stream
    Linear body of water flowing on the Earth's surface.
    http://purl.obolibrary.org/obo/ENVO_00000023
Environments - EOL project  
Additional detail temperate Environments - EOL project  
Additional detail terrestrial biome
  • Terrestrial biome
    A biome that applies to the terrestrial realm.
    http://purl.obolibrary.org/obo/ENVO_00000446
Environments - EOL project  
Additional detail tropical Environments - EOL project  
Additional detail watercourse Environments - EOL project  
Additional detail waterfall
  • Waterfall
    A sudden descent of water over a step or ledge in the bed of a river.
    http://purl.obolibrary.org/obo/ENVO_00000040
Environments - EOL project  
Additional detail wetland
  • Wetland
    An area that is inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions.
    http://purl.obolibrary.org/obo/ENVO_00000043
Environments - EOL project  
Additional detail woodland Environments - EOL project  
Additional detail woodland Environments - EOL project  
Additional detail woodland Environments - EOL project  
Additional detail woodland Environments - EOL project  
  • Interacts with
    an organism has an effect on another organism in the community.
    http://eol.org/schema/terms/interactsWith
Interacts with
Additional detail Brown-headed Cowbird GloBI  
Additional detail California Scrub Jay GloBI  
Additional detail Steller's Jay GloBI  
Feeds on
Additional detail A Beetle GloBI  
Additional detail A Beetle GloBI  
Additional detail A Longhorned Beetle GloBI  
Additional detail Anisodactylus GloBI  
Additional detail Ants GloBI  
Additional detail Ants, Bees, and Wasps GloBI  
Additional detail Ants, Bees, and Wasps GloBI  
Additional detail Beetles GloBI  
Additional detail Beetles GloBI  
Additional detail Blapstinus GloBI  
Additional detail Braconids GloBI  
Additional detail Butterflies and Moths GloBI  
Additional detail Butterflies and Moths GloBI  
Additional detail Checkered Beetle GloBI  
Additional detail Convergent Lady Beetle GloBI  
Additional detail Curculio urticarius GloBI  
Additional detail Dance-flies GloBI  
Additional detail Diabrotica GloBI  
Additional detail Enochrus GloBI  
Additional detail Epitrix GloBI  
Additional detail Eulabis GloBI  
Additional detail Flower Flies and Hoverflies GloBI  
Additional detail Flower Long-horned Beetles GloBI  
Additional detail Gastrophysa GloBI  
Additional detail Grasshoppers, Crickets, and Katydids GloBI  
Additional detail Haltica GloBI  
Additional detail Hippodamia GloBI  
Additional detail Horse Flies GloBI  
Additional detail Ichneumon Wasp GloBI  
Additional detail Monoxia sordida GloBI  
Additional detail Scymnus GloBI  
Additional detail Sitones GloBI  
Additional detail Snipe Flies GloBI  
Additional detail Spiders GloBI  
Additional detail Sternorrhyncha GloBI  
Additional detail Stratiomys GloBI  
Additional detail Tabanus GloBI  
Additional detail Telephorus GloBI  
Additional detail Tench GloBI  
Additional detail Tortrix Moth GloBI  
Additional detail True Bugs, Cicadas, Leafhoppers, Aphids, Etc. GloBI  
Additional detail True Bugs, Cicadas, Leafhoppers, Aphids, Etc. GloBI  
Additional detail True Flies, Mosquitoes and Gnats GloBI  
Additional detail True Flies, Mosquitoes and Gnats GloBI  
Additional detail True Weevils GloBI  
Additional detail Unidentified GloBI  
Additional detail Western Field Wireworm GloBI  

Life History and Behavior

Data about <i>Empidonax difficilis</i>
Clutch/brood/litter size
Additional detail 3.5 AnAge Database of Animal Ageing and Longevity  
Litters per year
Additional detail 1.5 per year AnAge Database of Animal Ageing and Longevity  
Total life span max
Additional detail 6.9 years AnAge Database of Animal Ageing and Longevity  
Onset of fertility
Additional detail 1.0 years male AnAge Database of Animal Ageing and Longevity  
Additional detail 1.0 years female AnAge Database of Animal Ageing and Longevity  
Growth rate
Additional detail 0.44 per day AnAge Database of Animal Ageing and Longevity  
  • Prenatal development duration
    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.
    http://eol.org/schema/terms/PrenatalDevelopmentDuration
Prenatal development duration
Additional detail 14 days AnAge Database of Animal Ageing and Longevity  

Conservation

Data about <i>Empidonax difficilis</i>
Population trend
Additional detail Decreasing IUCN  

Relevance to Humans and Ecosystems

Data about <i>Empidonax difficilis</i>
Conservation status
Additional detail least concern
  • Least concern
    A taxon is Least Concern when it has been evaluated against the criteria and does not qualify for Critically Endangered, Endangered, Vulnerable or Near Threatened. Widespread and abundant taxa are included in this category.
    http://eol.org/schema/terms/leastConcern
IUCN  

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