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gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
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6
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gptkbp:bfsParent
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gptkb:Thalasseus_maximus
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gptkbp:adult_plumage
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brown and white
white with black cap
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gptkbp:behavior
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colonial
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gptkbp:breeding_season
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spring to summer
variable by region
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gptkbp:clutch_size
|
1-4 eggs
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gptkbp:color
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gptkb:red
white and gray
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gptkbp:common_name
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gptkb:Caspian_Tern
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gptkbp:conservation_efforts
|
habitat protection
|
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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
small fish and invertebrates
small fish and crustaceans
|
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gptkbp:distribution
|
Eurasia and North America
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gptkbp:egg_color
|
speckled
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gptkbp:environmental_impact
|
sensitive to climate change
|
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gptkbp:family
|
gptkb:Laridae
|
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gptkbp:fledging_period
|
4-5 weeks
|
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gptkbp:foraging_behavior
|
gptkb:Basketball_Player
surface diving
|
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gptkbp:genus
|
gptkb:Thalasseus
|
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gptkbp:habitat
|
temperate regions
coastal areas
shallow coastal waters
up to several hundred pairs
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Thalasseus maximus caspius
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gptkbp:impact
|
fishing and pollution
|
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gptkbp:incubation_period
|
about 28 days
|
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gptkbp:is_observed_in
|
popular among birdwatchers
|
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gptkbp:length
|
40-50 cm
|
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gptkbp:mating_system
|
aerial displays
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gptkbp:migration
|
migratory
seasonal migration
late summer to early fall
up to 2000 km
coastal flyways
coastal migration
|
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gptkbp:nesting
|
aggressive
ground-nesting
sand beaches
grasses and reeds
|
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gptkbp:order
|
gptkb:Charadriiformes
|
|
gptkbp:population_trend
|
stable in some areas
|
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gptkbp:predators
|
birds of prey
foxes and raccoons
|
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gptkbp:related_species
|
gptkb:Thalasseus_elegans
gptkb:Thalasseus_sandvicensis
gptkb:Thalasseus_maximus
|
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gptkbp:research_interest
|
ecology and behavior
|
|
gptkbp:territorial_behavior
|
defensive displays
|
|
gptkbp:threats
|
habitat loss
|
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gptkbp:vocalization
|
harsh calls
|
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gptkbp:weight
|
0.8-1.5 kg
|
|
gptkbp:wingspan
|
100-120 cm
|
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gptkbp:wintering_range
|
warmer coastal areas
|