Tern

GPTKB entity

Statements (73)
Predicate Object
gptkbp:instance_of gptkb:bird
gptkbp:bfsLayer 4
gptkbp:bfsParent gptkb:Over_the_Hedge
gptkbp:adaptation Streamlined body
Excellent vision
Long wings
gptkbp:behavior Social
Aggressive during nesting
diving for fish
Cooperative breeding in some species
gptkbp:breeding_season Spring to summer
gptkbp:color white and gray
White and gray
Black legs
Black cap on head
Bright orange bill
gptkbp:conservation_status varies by species
Varies by species
gptkbp:cultural_significance Symbol of freedom
Featured in literature
Birdwatching interest
gptkbp:diet gptkb:fish
gptkbp:distribution Worldwide
worldwide
gptkbp:family gptkb:Laridae
gptkbp:first_flight Graceful
gptkbp:fishing_regulations Surface diving
Skimming the water surface
Hovering before diving
gptkbp:fledging_period About 3-4 weeks after hatching
gptkbp:foraging_behavior gptkb:Basketball_Player
gptkbp:genus gptkb:Gelochelidon
gptkb:Onychoprion
gptkb:Sterna
gptkb:Thalasseus
Sternula
gptkbp:habitat Coastal areas
coastal regions
https://www.w3.org/2000/01/rdf-schema#label Tern
gptkbp:lifespan 10-30 years
up to 30 years
gptkbp:mating_system Displays and calls
gptkbp:migration Seasonal
Long distances
migratory species
North-South migration
gptkbp:nesting gptkb:Beaches
gptkb:island
ground-nesting
Ground
Sandbars
gptkbp:order gptkb:Charadriiformes
gptkbp:predators gptkb:Raptors
birds of prey
Seagulls
gptkbp:reproduction Eggs
lay eggs
gptkbp:social_structure Colonial
colonial nesting
gptkbp:species gptkb:Arctic_Tern
gptkb:Royal_Tern
gptkb:Common_Tern
gptkb:Least_Tern
gptkb:Sandwich_Tern
gptkb:Forster's_Tern
gptkbp:subspecies gptkb:Sterninae
gptkbp:threats Climate change
Pollution
Habitat loss
gptkbp:vocalization varied calls
Chirping sounds
gptkbp:wingspan varies by species
Varies by species