gptkbp:instance_of
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gptkb:bird
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gptkbp:adult_plumage
|
gray and white
brown and mottled
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gptkbp:breeding_range
|
gptkb:North_America
small to large colonies
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gptkbp:breeding_season
|
spring to summer
|
gptkbp:character_voice
|
trumpeting calls
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gptkbp:color
|
white and gray
long and slender
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gptkbp:coloration
|
black cap on head
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gptkbp:common_name
|
gptkb:Roseate_Tern
|
gptkbp:conservation_efforts
|
habitat protection
public awareness campaigns
monitoring populations
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gptkbp:conservation_status
|
Near Threatened
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gptkbp:cultural_significance
|
symbol of coastal health
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gptkbp:diet
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gptkb:fish
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gptkbp:egg_color
|
pale blue or green
|
gptkbp:family
|
gptkb:Laridae
|
gptkbp:fledging_period
|
3-4 weeks
|
gptkbp:foot
|
short and slender
|
gptkbp:foraging_behavior
|
dive for fish
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gptkbp:genus
|
gptkb:Sterna
|
gptkbp:habitat
|
coastal areas
|
https://www.w3.org/2000/01/rdf-schema#label
|
Sterna dougallii dougallii
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gptkbp:incubation_period
|
21-23 days
|
gptkbp:length
|
32–36 cm
|
gptkbp:migration
|
migratory bird
up to 5000 km
coastal migration
|
gptkbp:nest_material
|
grasses and seaweed
|
gptkbp:nesting
|
scrape on the ground
|
gptkbp:nesting_site
|
beaches
|
gptkbp:order
|
gptkb:Charadriiformes
|
gptkbp:population_trend
|
declining
|
gptkbp:predators
|
foxes
crows
gulls
|
gptkbp:related_species
|
gptkb:Sterna_hirundo
gptkb:Sterna_paradisaea
gptkb:Sterna_albifrons
|
gptkbp:reproduction
|
lay 1-3 eggs
|
gptkbp:research_importance
|
indicator species
|
gptkbp:social_behavior
|
colonial nesting
|
gptkbp:subspecies
|
gptkb:Sterna_dougallii
|
gptkbp:tail_type
|
long and forked
|
gptkbp:threats
|
habitat loss
predation
human disturbance
|
gptkbp:weight
|
100–200 g
|
gptkbp:wingspan
|
75–85 cm
|
gptkbp:wintering_range
|
gptkb:South_America
|
gptkbp:bfsParent
|
gptkb:Roseate_Tern
|
gptkbp:bfsLayer
|
6
|