Data about <i>Empidonax difficilis</i>

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Distribution

 
geographic distribution includes
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Arizona Mountains forests
Biome & Ecoregion Mappings  
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Baja California desert
Biome & Ecoregion Mappings  
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Beni savanna
Biome & Ecoregion Mappings  
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Blue Mountains forests
Biome & Ecoregion Mappings  
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British Columbia mainland coastal forests
Biome & Ecoregion Mappings  
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California coastal sage and chaparral
Biome & Ecoregion Mappings  
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California interior chaparral and woodlands
Biome & Ecoregion Mappings  
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California montane chaparral and woodlands
Biome & Ecoregion Mappings  
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Cascade Mountains leeward forests
Biome & Ecoregion Mappings  
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Central American dry forests
Biome & Ecoregion Mappings  
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Central and Southern Cascades forests
Biome & Ecoregion Mappings  
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Central Pacific coastal forests
Biome & Ecoregion Mappings  
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Cerrado
Biome & Ecoregion Mappings  
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Chihuahuan desert
Biome & Ecoregion Mappings  
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Colorado Plateau shrublands
Biome & Ecoregion Mappings  
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Colorado Rockies forests
Biome & Ecoregion Mappings  
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Douglas County
Washington Bird Phenology  
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Eastern Cascades forests
Biome & Ecoregion Mappings  
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Grays Harbor County
Washington Bird Phenology  
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Great Basin montane forests
Biome & Ecoregion Mappings  
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King County
Washington Bird Phenology  
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Klamath-Siskiyou forests
Biome & Ecoregion Mappings  
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Mojave desert
Biome & Ecoregion Mappings  
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Montana Valley and Foothill grasslands
Biome & Ecoregion Mappings  
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Nearctic
Biome & Ecoregion Mappings  
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Neotropical
Biome & Ecoregion Mappings  
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North Central Rockies forests
Biome & Ecoregion Mappings  
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Northern California coastal forests
Biome & Ecoregion Mappings  
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Northern mixed grasslands
Biome & Ecoregion Mappings  
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Northern Pacific coastal forests
Biome & Ecoregion Mappings  
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Northern short grasslands
Biome & Ecoregion Mappings  
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Okanagan dry forests
Biome & Ecoregion Mappings  
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Pacific Coastal Mountain icefields and tundra
Biome & Ecoregion Mappings  
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Pacific County
Washington Bird Phenology  
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Palouse grasslands
Biome & Ecoregion Mappings  
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Pierce County
Washington Bird Phenology  
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Puget lowland forests
Biome & Ecoregion Mappings  
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Queen Charlotte Islands
Biome & Ecoregion Mappings  
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Sierra de la Laguna dry forests
Biome & Ecoregion Mappings  
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Sierra de la Laguna pine-oak forests
Biome & Ecoregion Mappings  
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Sierra Juarez and San Pedro Martir pine-oak forests
Biome & Ecoregion Mappings  
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Sierra Madre de Oaxaca pine-oak forests
Biome & Ecoregion Mappings  
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Sierra Nevada forests
Biome & Ecoregion Mappings  
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Sinaloan dry forests
Biome & Ecoregion Mappings  
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Snake-Columbia shrub steppe
Biome & Ecoregion Mappings  
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South Central Rockies forests
Biome & Ecoregion Mappings  
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Southern Pacific dry forests
Biome & Ecoregion Mappings  
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Spokane County
Washington Bird Phenology  
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Thurston County
Washington Bird Phenology  
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Wasatch and Uinta montane forests
Biome & Ecoregion Mappings  
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Western Gulf Coastal grasslands
Biome & Ecoregion Mappings  
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Western short grasslands
Biome & Ecoregion Mappings  
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Whatcom County
Washington Bird Phenology  
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Whitman County
Washington Bird Phenology  
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Willamette Valley forests
Biome & Ecoregion Mappings  
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Wyoming Basin shrub steppe
Biome & Ecoregion Mappings  

Physical Description

 
body length (VT) average
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15.5 cm
Birds Animal Diversity Web  
 
body length (VT) min
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14 cm
Birds Animal Diversity Web  
 
body length (VT) max
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17 cm
Birds Animal Diversity Web  
 
body mass average
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10.5 g
Birds Animal Diversity Web  
 
body mass min
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9 g
Birds Animal Diversity Web  
 
body mass max
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12 g
Birds Animal Diversity Web  
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14.3 g
Avian Mass Data  
 
wingspan average
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6.5 cm
Birds Animal Diversity Web  
 
wingspan min
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6 cm
Birds Animal Diversity Web  
 
wingspan max
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7 cm
Birds Animal Diversity Web  
 
sexual dimorphism
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none
Birds Animal Diversity Web  
 
weight
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11 g adult
AnAge Database of Animal Ageing and Longevity  
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1.5 g neonate stage
AnAge Database of Animal Ageing and Longevity  

Ecology

 
habitat
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canopy
Environments - EOL project  
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coast
Environments - EOL project  
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coast
Environments - EOL project  
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coast
Environments - EOL project  
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conifer woodland
Environments - EOL project  
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forest
Environments - EOL project  
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forest
Environments - EOL project  
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fresh water
Environments - EOL project  
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freshwater habitat
IUCN  
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lake
Environments - EOL project  
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mount
Environments - EOL project  
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mountain
Environments - EOL project  
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ocean
Environments - EOL project  
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pond
Environments - EOL project  
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sea
Environments - EOL project  
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slope
Environments - EOL project  
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stream
Environments - EOL project  
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temperate
Environments - EOL project  
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terrestrial biome
Environments - EOL project  
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terrestrial habitat
IUCN  
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tropical
Environments - EOL project  
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watercourse
Environments - EOL project  
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waterfall
Environments - EOL project  
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wetland
Environments - EOL project  
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woodland
Environments - EOL project  
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woodland
Environments - EOL project  
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woodland
Environments - EOL project  
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woodland
Environments - EOL project  
 
habitat includes
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Deserts and Xeric Shrublands
Biome & Ecoregion Mappings  
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Mediterranean Forests, woodlands and scrubs
Biome & Ecoregion Mappings  
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Temperate Broadleaf and Mixed Forests
Biome & Ecoregion Mappings  
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Temperate Coniferous Forests
Biome & Ecoregion Mappings  
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Temperate Grasslands, Savannas, and Shrublands
Biome & Ecoregion Mappings  
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Tropical and Subtropical Coniferous Forests
Biome & Ecoregion Mappings  
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Tropical and Subtropical Dry Broadleaf Forests
Biome & Ecoregion Mappings  
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Tropical and subtropical grasslands, savannas, and shrublands
Biome & Ecoregion Mappings  
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Tundra
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interacts with
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feeds on
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Life History and Behavior

 
clutch/brood/litter size mean
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3.8
Washington Bird Phenology  
 
clutch/brood/litter size
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3.5
AnAge Database of Animal Ageing and Longevity  
 
onset of fertility
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365 days female
AnAge Database of Animal Ageing and Longevity  
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365 days male
AnAge Database of Animal Ageing and Longevity  
 
litters per year
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1.5 per year
AnAge Database of Animal Ageing and Longevity  
 
total life span max
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6.9
AnAge Database of Animal Ageing and Longevity  
 
growth rate
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0.44 per day
AnAge Database of Animal Ageing and Longevity  
 
prenatal development duration
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14 days
AnAge Database of Animal Ageing and Longevity  
 
egg laying begins earliest
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04-21
Washington Bird Phenology  
 
egg laying begins latest
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07-15
Washington Bird Phenology  

Conservation

 
population trend
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Decreasing
IUCN  
 
conservation status
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least concern
IUCN  
 
extinction status
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extant
Cornell Laboratory of Ornithology  

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