gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
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4
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gptkbp:bfsParent
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gptkb:Over_the_Hedge
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gptkbp:adaptation
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Streamlined body
Excellent vision
Long wings
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gptkbp:behavior
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Social
Aggressive during nesting
diving for fish
Cooperative breeding in some species
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gptkbp:breeding_season
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Spring to summer
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gptkbp:color
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white and gray
White and gray
Black legs
Black cap on head
Bright orange bill
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gptkbp:conservation_status
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varies by species
Varies by species
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gptkbp:cultural_significance
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Symbol of freedom
Featured in literature
Birdwatching interest
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gptkbp:diet
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gptkb:fish
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gptkbp:distribution
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Worldwide
worldwide
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gptkbp:family
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gptkb:Laridae
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gptkbp:first_flight
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Graceful
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gptkbp:fishing_regulations
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Surface diving
Skimming the water surface
Hovering before diving
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gptkbp:fledging_period
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About 3-4 weeks after hatching
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gptkbp:foraging_behavior
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gptkb:Basketball_Player
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gptkbp:genus
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gptkb:Gelochelidon
gptkb:Onychoprion
gptkb:Sterna
gptkb:Thalasseus
Sternula
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gptkbp:habitat
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Coastal areas
coastal regions
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https://www.w3.org/2000/01/rdf-schema#label
|
Tern
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gptkbp:lifespan
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10-30 years
up to 30 years
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gptkbp:mating_system
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Displays and calls
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gptkbp:migration
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Seasonal
Long distances
migratory species
North-South migration
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gptkbp:nesting
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gptkb:Beaches
gptkb:island
ground-nesting
Ground
Sandbars
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gptkbp:order
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gptkb:Charadriiformes
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gptkbp:predators
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gptkb:Raptors
birds of prey
Seagulls
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gptkbp:reproduction
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Eggs
lay eggs
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gptkbp:social_structure
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Colonial
colonial nesting
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gptkbp:species
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gptkb:Arctic_Tern
gptkb:Royal_Tern
gptkb:Common_Tern
gptkb:Least_Tern
gptkb:Sandwich_Tern
gptkb:Forster's_Tern
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gptkbp:subspecies
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gptkb:Sterninae
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gptkbp:threats
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Climate change
Pollution
Habitat loss
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gptkbp:vocalization
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varied calls
Chirping sounds
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gptkbp:wingspan
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varies by species
Varies by species
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