Sterna dougallii dougallii

GPTKB entity

Statements (54)
Predicate Object
gptkbp:instance_of gptkb:bird
gptkbp:adult_plumage gray and white
brown and mottled
gptkbp:breeding_range gptkb:North_America
small to large colonies
gptkbp:breeding_season spring to summer
gptkbp:character_voice trumpeting calls
gptkbp:color white and gray
long and slender
gptkbp:coloration black cap on head
gptkbp:common_name gptkb:Roseate_Tern
gptkbp:conservation_efforts habitat protection
public awareness campaigns
monitoring populations
gptkbp:conservation_status Near Threatened
gptkbp:cultural_significance symbol of coastal health
gptkbp:diet gptkb:fish
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
gptkbp:genus gptkb:Sterna
gptkbp:habitat coastal areas
https://www.w3.org/2000/01/rdf-schema#label Sterna dougallii dougallii
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