gptkbp:instance_of
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gptkb:species
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gptkbp:adult_plumage
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gray wings, black cap
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gptkbp:behavior
|
social
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gptkbp:breeding_behavior
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monogamous
colonial breeder
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gptkbp:breeding_season
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spring to summer
April to July
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gptkbp:call
|
trumpet-like calls
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gptkbp:clutch_size
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1-3 eggs
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gptkbp:coloration
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white and gray plumage
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gptkbp:common_name
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gptkb:Common_Tern
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gptkbp:conservation_efforts
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protected areas
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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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North America, Europe, Asia
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gptkbp:egg_color
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pale blue or greenish
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gptkbp:egg_size
|
40-50 mm
15-20 g
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gptkbp:family
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gptkb:Laridae
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gptkbp:fishing_regulations
|
plunge diving
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gptkbp:fledging_period
|
3-4 weeks
|
gptkbp:foraging_behavior
|
dive for fish
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gptkbp:genus
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gptkb:Sterna
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gptkbp:habitat
|
coastal areas
|
https://www.w3.org/2000/01/rdf-schema#label
|
Sterna hirundo
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gptkbp:impact
|
disturbance from recreation
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gptkbp:length
|
28-38 cm
|
gptkbp:lifespan
|
up to 30 years
|
gptkbp:mating_system
|
aerial displays
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gptkbp:migration
|
migratory
coastal migration routes
up to 3,000 km
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gptkbp:nest_material
|
grasses, seaweed
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gptkbp:nesting
|
ground-nesting
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gptkbp:nesting_site
|
sandy beaches
|
gptkbp:order
|
gptkb:Charadriiformes
|
gptkbp:population_trend
|
gptkb:stable
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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
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gptkbp:wintering_range
|
coastal waters
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gptkbp:young
|
chicks
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gptkbp:bfsParent
|
gptkb:Common_Tern
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gptkbp:bfsLayer
|
6
|