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gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
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3
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gptkbp:bfsParent
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gptkb:Passeriformes
gptkb:railway_line
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gptkbp:aircraft_operated
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Long and pointed wings
Up to 11 m/s
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gptkbp:behavior
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Social bird
Gregarious during migration
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gptkbp:breeding_season
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April to August
Spring to summer
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gptkbp:calls_for
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Twittering sounds
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gptkbp:clutch_size
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3-7 eggs
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gptkbp:color
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White underparts
Blue upperparts
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gptkbp:conservation_efforts
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Habitat protection
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:cultural_significance
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Symbol of spring
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gptkbp:diet
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gptkb:Insects
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gptkbp:distribution
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Worldwide except polar regions
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gptkbp:egg_color
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White or pale blue
1.5-2.0 cm
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gptkbp:environmental_impact
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Affected by climate change
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gptkbp:family
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gptkb:Hirundinidae
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gptkbp:first_flight
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Graceful and agile
Aerial forager
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gptkbp:fledging_period
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3-4 weeks
About 20 days after hatching
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gptkbp:foraging_behavior
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Hunting insects in flight
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gptkbp:habitat
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gptkb:Northern_Hemisphere
Open country
Near water bodies.
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|
https://www.w3.org/2000/01/rdf-schema#label
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Barn Swallow
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gptkbp:incubation_period
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12-17 days
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gptkbp:interacts_with
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Commonly found near human habitation
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gptkbp:length
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16-19 cm
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gptkbp:mating_system
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Aerial displays
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gptkbp:migration
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Varies by region
North America to South America
Long-distance migratory bird
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gptkbp:nesting
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Mud nests
Reuses old nests
Influenced by food availability
Made of mud and grass
Mud and plant fibers
Under eaves or bridges
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gptkbp:order
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gptkb:Passeriformes
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gptkbp:population_trend
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Stable in many areas
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gptkbp:predators
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Birds of prey
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gptkbp:research
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Behavioral ecology studies
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gptkbp:scientific_name
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gptkb:railway_line
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gptkbp:social_structure
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Colonial nesting
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gptkbp:soundtrack
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Melodic and varied
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gptkbp:subspecies
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gptkb:Hirundo_rustica_erythrogaster
gptkb:Hirundo_rustica_rustica
gptkb:Hirundo_rustica_savignii
gptkb:Hirundo_rustica_tytleri
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gptkbp:tail_type
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Forked tail
Long forked tail
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gptkbp:territorial_behavior
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Defends nesting area
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gptkbp:vocalization
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Chirps and trills
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gptkbp:weight
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16-20 g
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gptkbp:wildlife
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Cats and other predators
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gptkbp:wingspan
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32-34 cm
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gptkbp:wintering_range
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Southern Hemisphere
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gptkbp:young
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Fledglings
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