Sterna aurantia aurantia

GPTKB entity

Properties (51)
Predicate Object
gptkbp:instanceOf bird
gptkbp:aircraft white with black tips
gptkbp:behavior gregarious
gptkbp:breedingSeason 1-2 years
spring to summer
aerial displays
up to several hundred pairs
gptkbp:callsFor harsh and loud
gptkbp:clutchSize 1-3 eggs
gptkbp:colors dark
brown and mottled
yellow with black tip
white with black cap
gptkbp:commonName Sandwich Tern
gptkbp:conservationEfforts Least Concern
habitat protection
gptkbp:cookingMethod surface diving
gptkbp:culturalSignificance featured in birdwatching.
gptkbp:diet fish
gptkbp:distribution coastal_regions_of_Europe_and_North_America
gptkbp:eggColor pale blue or greenish
gptkbp:environmentalImpact affected by climate change
gptkbp:family Laridae
gptkbp:fishSpecies plunge diving
gptkbp:fledgingPeriod 3-4 weeks
gptkbp:foragingBehavior diving
gptkbp:genus Sterna
gptkbp:habitat coastal areas
sandy beaches
https://www.w3.org/2000/01/rdf-schema#label Sterna aurantia aurantia
gptkbp:humanInteraction disturbance at nesting sites
gptkbp:length 35-40 cm
gptkbp:lifespan up to 20 years
gptkbp:migration seasonal
migratory
up to 2000 km
coastal flyways
gptkbp:nesting beaches
April to August
scrapes in sand
gptkbp:order Charadriiformes
gptkbp:predators gulls and larger birds
gptkbp:researchAreas studied for population trends
gptkbp:socialResponsibility colonial
gptkbp:socialStructure loose colonies
gptkbp:subspecies gptkb:Sterna_aurantia
gptkbp:territory defends nesting area
gptkbp:threats habitat loss
gptkbp:vocalization varied calls
gptkbp:weight 250-400 g
gptkbp:wingspan 85-100 cm