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gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
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7
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gptkbp:bfsParent
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gptkb:Thalasseus_sandvicensis_acuflavidus
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gptkbp:adaptation
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foraging in groups
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gptkbp:adult_plumage
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white and gray
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gptkbp:aircraft_operated
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long and pointed
rapid wingbeats
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gptkbp:behavior
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colonial
territorial during breeding
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gptkbp:breeding_season
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spring to summer
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gptkbp:calls_for
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high-pitched
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gptkbp:clutch_size
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typically 2-3 eggs
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gptkbp:color
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slender and pointed
black cap on head
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gptkbp:conservation_efforts
|
habitat protection
monitoring populations
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gptkbp:conservation_status
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gptkb:Least_Concern
|
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gptkbp:cultural_significance
|
symbol of coastal ecosystems
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gptkbp:diet
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gptkb:fish
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gptkbp:distribution
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gptkb:North_America
|
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gptkbp:egg_color
|
1-4 eggs
speckled
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|
gptkbp:family
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gptkb:Laridae
|
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gptkbp:first_flight
|
graceful gliding
|
|
gptkbp:fledging_period
|
4-5 weeks
|
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gptkbp:foraging_behavior
|
gptkb:Basketball_Player
surface diving
regurgitated food
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gptkbp:genus
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gptkb:Sterna
|
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gptkbp:habitat
|
wetlands
coastal areas
sandy beaches
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Eastern Tern
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gptkbp:incubation_period
|
21-24 days
|
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gptkbp:interacts_with
|
grooming behavior
|
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gptkbp:launch_date
|
altricial chicks
|
|
gptkbp:length
|
30-38 cm
|
|
gptkbp:lifespan
|
up to 20 years
|
|
gptkbp:mating_system
|
aerial displays
|
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gptkbp:migration
|
gptkb:Atlantic_Flyway
seasonal
migratory
up to 3000 km
|
|
gptkbp:nesting
|
ground-nesting
sandbars
influenced by predation
high in suitable areas
scrape nests
|
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gptkbp:population_trend
|
gptkb:Professional_Wrestler
|
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gptkbp:predators
|
birds of prey
|
|
gptkbp:related_species
|
gptkb:Roseate_Tern
gptkb:Common_Tern
gptkb:Least_Tern
|
|
gptkbp:social_structure
|
loose colonies
|
|
gptkbp:species
|
gptkb:Sterna_forsteri
|
|
gptkbp:subspecies
|
gptkb:Sterna_forsteri_forsteri
Sterna forsteri caspia
|
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gptkbp:succeeded_by
|
high in safe areas
|
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gptkbp:tail_type
|
forked tail
|
|
gptkbp:threats
|
climate change
pollution
habitat loss
|
|
gptkbp:vision
|
excellent eyesight
|
|
gptkbp:vocalization
|
varied calls
|
|
gptkbp:weight
|
100-200 g
|
|
gptkbp:wingspan
|
76-85 cm
|
|
gptkbp:wintering_range
|
southern coasts
|