Sterna hirundo

GPTKB entity

Statements (55)
Predicate Object
gptkbp:instance_of gptkb:species
gptkbp:adult_plumage gray wings, black cap
gptkbp:behavior social
gptkbp:breeding_behavior monogamous
colonial breeder
gptkbp:breeding_season spring to summer
April to July
gptkbp:call trumpet-like calls
gptkbp:clutch_size 1-3 eggs
gptkbp:coloration white and gray plumage
gptkbp:common_name gptkb:Common_Tern
gptkbp:conservation_efforts protected areas
gptkbp:conservation_status gptkb:Least_Concern
gptkbp:cultural_significance symbol of coastal ecosystems
gptkbp:diet gptkb:fish
gptkbp:distribution North America, Europe, Asia
gptkbp:egg_color pale blue or greenish
gptkbp:egg_size 40-50 mm
15-20 g
gptkbp:family gptkb:Laridae
gptkbp:fishing_regulations plunge diving
gptkbp:fledging_period 3-4 weeks
gptkbp:foraging_behavior dive for fish
gptkbp:genus gptkb:Sterna
gptkbp:habitat coastal areas
https://www.w3.org/2000/01/rdf-schema#label Sterna hirundo
gptkbp:impact disturbance from recreation
gptkbp:length 28-38 cm
gptkbp:lifespan up to 30 years
gptkbp:mating_system aerial displays
gptkbp:migration migratory
coastal migration routes
up to 3,000 km
gptkbp:nest_material grasses, seaweed
gptkbp:nesting ground-nesting
gptkbp:nesting_site sandy beaches
gptkbp:order gptkb:Charadriiformes
gptkbp:population_trend gptkb:stable
gptkbp:predators foxes, raccoons
gulls, raptors
gptkbp:research_importance indicator species
gptkbp:social_structure flocks
gptkbp:subspecies gptkb:Sterna_hirundo_hirundo
gptkb:Sterna_hirundo_tibialis
gptkb:Sterna_hirundo_sandvicensis
gptkbp:threats climate change
pollution
habitat loss
gptkbp:vocalization varied calls
gptkbp:weight 80-150 g
gptkbp:wingspan 70-80 cm
gptkbp:wintering_range coastal waters
gptkbp:young chicks
gptkbp:bfsParent gptkb:Common_Tern
gptkbp:bfsLayer 6