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gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
|
4
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gptkbp:bfsParent
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gptkb:Hutton's_Vireo
gptkb:Blue-headed_Vireo
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gptkbp:aircraft_operated
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grayish with white edges
|
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gptkbp:behavior
|
often solitary or in pairs
active and agile
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gptkbp:breeding_season
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spring to summer
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gptkbp:calls_for
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sharp and high-pitched
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gptkbp:color
|
white underparts
olive-green above
slightly hooked
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gptkbp:conservation_efforts
|
habitat preservation
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gptkbp:conservation_status
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gptkb:Least_Concern
|
|
gptkbp:cultural_significance
|
not widely recognized
|
|
gptkbp:diet
|
insects
berries
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gptkbp:egg_color
|
3 to 5 eggs
white with speckles
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|
gptkbp:eye_color
|
dark brown
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gptkbp:family
|
gptkb:Vireonidae
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gptkbp:field
|
requires careful observation.
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|
gptkbp:first_described_by
|
gptkb:John_Cassin
|
|
gptkbp:fledging_period
|
about 14 days
|
|
gptkbp:foraging_behavior
|
gleaning insects from foliage
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|
gptkbp:genus
|
Vireo
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|
gptkbp:habitat
|
woodlands
western United States
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Cassin's Vireo
|
|
gptkbp:incubation_period
|
about 14 days
|
|
gptkbp:length
|
12.5 to 14 cm
|
|
gptkbp:mating_system
|
monogamous
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|
gptkbp:migration
|
migratory
short-distance migrant
|
|
gptkbp:nesting
|
cup-shaped nests
in shrubs or trees
made of twigs and grasses
|
|
gptkbp:order
|
gptkb:Passeriformes
|
|
gptkbp:population_trend
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gptkb:Professional_Wrestler
|
|
gptkbp:predators
|
hawks
snakes
|
|
gptkbp:range
|
gptkb:North_America
|
|
gptkbp:related_species
|
gptkb:Hutton's_Vireo
gptkb:Warbling_Vireo
|
|
gptkbp:research
|
conducted on behavior and ecology
|
|
gptkbp:soundtrack
|
melodic and varied
|
|
gptkbp:subspecies
|
gptkb:Vireo_cassinii_cassinii
gptkb:Vireo_cassinii_stephensi
|
|
gptkbp:tail_type
|
notched tail
|
|
gptkbp:vocalization
|
distinctive and varied calls
|
|
gptkbp:weight
|
9 to 12 g
|
|
gptkbp:wingspan
|
20 to 23 cm
|
|
gptkbp:wintering_range
|
gptkb:Mexico
|