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
|