little tern

GPTKB entity

Statements (59)
Predicate Object
gptkbp:instance_of gptkb:bird
gptkbp:bfsLayer 6
gptkbp:bfsParent gptkb:Schiermonnikoog_National_Park
gptkb:The_Wash_Special_Protection_Area
gptkbp:adaptation site fidelity
gptkbp:adult_plumage brown and white
white underparts
white and grey
gptkbp:aircraft_operated grey
pointed wings
gptkbp:behavior colonial nesting
aggressive towards intruders
gptkbp:breeding_season spring to summer
gptkbp:calls_for trumpet-like
gptkbp:color gptkb:yellow
yellow with black tip
camouflaged during nesting
gptkbp:conservation_efforts habitat protection
gptkbp:conservation_status gptkb:Least_Concern
gptkbp:diet small fish
gptkbp:distribution Europe, Asia, Africa
gptkbp:egg_color speckled brown
1 to 3 eggs
about 3 cm
gptkbp:family gptkb:Laridae
gptkbp:fledging_period about 3 weeks
gptkbp:foraging_behavior dive for fish
hovering before diving
gptkbp:genus Sternula
gptkbp:habitat temperate regions
coastal areas
sandy beaches
https://www.w3.org/2000/01/rdf-schema#label little tern
gptkbp:length 24–28 cm
gptkbp:local_names varies by region
gptkbp:mating_system aerial displays
gptkbp:migration migratory bird
coastal migration
gptkbp:nesting variable
ground-nesting
April to August
gravel and sand
gptkbp:population_trend stable in some areas
gptkbp:predators gulls, foxes
gptkbp:related_species common tern
gptkbp:research_interest ecology and behavior
gptkbp:social_structure loose colonies
gptkbp:species gptkb:Sternula_albifrons
gptkbp:subspecies gptkb:Sternula_albifrons_albifrons
gptkb:Sternula_albifrons_antillarum
gptkb:Sternula_albifrons_sinensis
gptkbp:succeeded_by high in safe areas
gptkbp:tail_type white with black tips
forked tail
gptkbp:threats habitat loss
gptkbp:vocalization chirps and whistles
gptkbp:weight 50–100 g
gptkbp:wingspan 50–60 cm
gptkbp:wintering_range tropical regions