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gptkbp:instance_of
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gptkb:species
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gptkbp:adult_plumage
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brown and white mottled
gray wings and back
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gptkbp:breeding_range
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up to several hundred pairs
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gptkbp:breeding_season
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spring to summer
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gptkbp:character_voice
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trumpeting calls
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gptkbp:class
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gptkb:Aves
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gptkbp:color
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white and gray
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gptkbp:common_name
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gptkb:Common_Tern
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:cultural_significance
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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 and Europe
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gptkbp:egg_color
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pale blue to greenish
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gptkbp:egg_size
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3-4 cm
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gptkbp:family
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gptkb:Laridae
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gptkbp:fledging_period
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4 weeks
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gptkbp:foraging_behavior
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dive for fish
surface plunge diving
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gptkbp:genus
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gptkb:Sterna
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gptkbp:habitat
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coastal areas
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|
https://www.w3.org/2000/01/rdf-schema#label
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Sterna hirundo hirundo
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gptkbp:human_interaction
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birdwatching
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gptkbp:incubation_period
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21-28 days
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gptkbp:kingdom
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gptkb:Animalia
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gptkbp:length
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28-35 cm
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gptkbp:lifespan
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up to 30 years
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gptkbp:mating_system
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monogamous
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gptkbp:migration
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migratory species
coastal flyways
up to 5000 km
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gptkbp:nesting
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May to July
scrape on the ground
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gptkbp:nesting_site
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beaches
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gptkbp:order
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gptkb:Charadriiformes
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gptkbp:phylum
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gptkb:Chordata
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gptkbp:predators
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gulls
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gptkbp:related_species
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gptkb:Sterna_paradisaea
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gptkbp:reproduction
|
oviparous
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gptkbp:social_behavior
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colonial nesting
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gptkbp:social_structure
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flocks
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gptkbp:subspecies
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gptkb:Sterna_hirundo_hirundo
gptkb:Sterna_hirundo_longipennis
gptkb:Sterna_hirundo_tibetana
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gptkbp:success_rate
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50-70%
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gptkbp:territorial_behavior
|
defend nesting areas
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gptkbp:threats
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habitat loss
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gptkbp:weight
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80-150 g
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gptkbp:wingspan
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70-80 cm
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gptkbp:bfsParent
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gptkb:Common_Tern
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gptkbp:bfsLayer
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6
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