Arctic Tern

Sterna paradisaea Pontoppidan 1763

United States Fish and Wildlife Service cc-publicdomain

Sterna paradisaea (Arctic Tern) is a species of birds in the family Laridae. They are associated with freshwater habitat. They are native to the Palearctic and The Nearctic. They are diurnal. Individuals can grow to 85 cm. They have parental care (pair provides care). They rely on flight to move around.

URI: http://purl.obolibrary.org/obo/ENVO_00000873
Definition: A biome that applies to the freshwater realm.

show all records

URI: https://www.wikidata.org/entity/Q106447
Definition: largest of the eight ecozones constituting the Earth's surface
Attribution: https://commons.wikimedia.org/wiki/File:Palearctic.png

show all records

URI: https://www.wikidata.org/entity/Q737742
Definition: one of the eight terrestrial ecozones constituting the Earth's land surface
Attribution: https://commons.wikimedia.org/wiki/File:Ecozone_Nearctic.svg

show all records

URI: http://www.wikidata.org/entity/Q906470
Definition: animal behavior characterized by activity during the day, with a period of inactivity at night.

show all records

URI: http://eol.org/schema/terms/parentalCarePair
Definition: Both parents feed and nurture offspring.
Attribution: Richard M. Sibly, Christopher C. Witt, Natalie A. Wright, Chris Venditti, Walter Jetz, and James H. Brown. 2012. Energetics, lifestyle, and reproduction in birds. PNAS 109(27):10937-10941, doi:10.1073/pnas.1206512109

show all records

URI: http://purl.obolibrary.org/obo/NBO_0000367
Definition: self-propelled movement of an organism from one location to another through the air, usually by means of active wing movement

show all records

EOL has data for 57 attributes, including:

Body symmetry
- URI: http://eol.org/schema/terms/body_symmetry
- Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
show all records
bilaterally symmetric
- URI: http://purl.obolibrary.org/obo/PATO_0001324
- Definition: being symmetric about a plane running from frontal end to caudal end (head to tail), and having nearly identical right and left halves
show all records
bill length
- URI: http://eol.org/schema/terms/BillLength
- Definition: Length of the bill.
show all records
33 mm
body shape
- URI: http://eol.org/schema/terms/BodyShape
show all records
bilaterally symmetric
- URI: http://purl.obolibrary.org/obo/PATO_0001324
- Definition: being symmetric about a plane running from frontal end to caudal end (head to tail), and having nearly identical right and left halves
show all records
foraging habitat
- URI: http://eol.org/schema/terms/ForagingHabitat
- Definition: Primary habitat where the species forages during the breeding season.
- Attribution: Richard M. Sibly, Christopher C. Witt, Natalie A. Wright, Chris Venditti, Walter Jetz, and James H. Brown. 2012. Energetics, lifestyle, and reproduction in birds. PNAS 109(27):10937-10941, doi:10.1073/pnas.1206512109
show all records
freshwater
- URI: http://purl.obolibrary.org/obo/ENVO_00000873
- Definition: A biome that applies to the freshwater realm.
show all records
geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
show all records
Canada
- URI: https://www.wikidata.org/entity/Q16
show all records
litters per year
- URI: http://eol.org/schema/terms/LittersPerYear
- Definition: Number of litters per female per year
show all records
1 /year
native range includes
- URI: http://eol.org/schema/terms/NativeRange
- Definition: Lists jurisdictions in which a given organism is a member of the undisturbed fauna or flora.
show all records
the Palearctic
- URI: https://www.wikidata.org/entity/Q106447
- Definition: largest of the eight ecozones constituting the Earth's surface
- Attribution: https://commons.wikimedia.org/wiki/File:Palearctic.png
show all records
population trend
- URI: http://eol.org/schema/terms/population_trend
- Definition: i.e., increasing, decreasing, stable, or unknown
show all records
Decreasing
prenatal development duration
- URI: http://eol.org/schema/terms/PrenatalDevelopmentDuration
- Definition: The duration of the development from fertilized, deposited or implanted egg to hatching/birth. Corresponds to egg incubation duration in oviparous animals and to gestation period duration in viviparous animals.
show all records
21 days
tarsometatarsus + middle toe length
- URI: http://eol.org/schema/terms/TarsometatarsusPlusMiddleToeLength
- Definition: Length of the tarsometatarsus + length of the middle toe.
show all records
29 mm
temperature at range midpoint latitude
- URI: http://eol.org/schema/terms/TemperatureAtRangeMidpointLatitude
- Definition: The temperature at the range midpoint latitude of an organism.
show all records
12.27 degrees celsius
trophic guild
- URI: http://eol.org/schema/terms/TrophicGuild
- Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
show all records
vertivore
- URI: http://eol.org/schema/terms/vertivore
- Definition: carnivorous animal which eats primarily vertebrates
show all records

Known occurrences, collected specimens and observations of Arctic Tern. View this species on GBIF

United States Fish and Wildlife Service cc-publicdomain