AnimalvsAnimal
00 3786. Küstenseeschwalbe🐦

Photo: W. Bulach · CC BY-SA 4.0

SpeciesCharadriiformesLaridae
Birds

🐦Arctic Tern

Sterna paradisaea Pontoppidan, 1763

Havternen (Sterna paradisaea) er en fugl, der er udbredt cirkumpolart på den nordlige halvkugle, fra Grønland i nord til Danmark og Nordtyskland i syd. Arten er kendt for sit lange træk fra ynglepladsen i nord til vinterkvarteret, der ligger på den sydlige halvkugle, ofte så langt væk som Antarktis. I Danmark er havternen en almindelig ynglefugl. Ynglebestanden er vurderet som sårbar på den danske rødliste.

Text: Wikipedia, CC BY-SA 4.0.

Videos
21
Photos
2
Measurements
13
vs you
≈ 1/560th of your weight
Conservation status
LCLeast concern

IUCN Red List assessment, 2018.

Population trendDecreasing
Key measurements
Body mass
0.11 kg
Body length
0.38 m
Shoulder height
not recorded
Top speed
not recorded
Bite force
not recorded
Maximum lifespan
34 years
All measurements ↓
Facts and figures

Everything we know about the Arctic Tern

Typical adult figures. Where a value is an estimate rather than a measurement, it says so.

Body mass
0.11 kgrecord 0.11 kg · SeaLifeBase
AVONET
Other figures ↓

Record: largest individual on record

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Figures vary

  • 0.1 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Body length
0.38 mmaximum recorded, total length
SeaLifeBase
Details ↓

Source: SeaLifeBase · v25.04 · CC BY-NC 4.0

Tail length
0.18 m
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Wing length
0.26 m
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Beak length
0.04 m
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Tarsus length
0.02 m
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Maximum lifespan
34 years
AnAge
Details ↓

data quality: acceptable

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Gestation
21 days
AnAge
Details ↓

data quality: acceptable

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Litter size
about 2
AnAge
Details ↓

data quality: acceptable

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Trophic level
Carnivore
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Habitat
Coastal
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Lifestyle
Aerial
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Volume l
0.1 Laverage
Details ↓

Body mass at ~1.0 kg/L, the density of vertebrate tissue.

average = a mean across sexes or species in a group.

Not recorded for Arctic Tern yet: shoulder height, top speed, bite force.

Where it sits

Family tree

  1. kingdomAnimalia
  2. ›phylumChordata
  3. ›classAves
  4. ›orderCharadriiformes
  5. ›familyLaridae
  6. ›genusSterna
  7. ›speciesSterna paradisaea
Full lineage
  1. superclassSarcopterygii
  2. superclassTetrapoda
  3. orderSauria
  4. classBirds · Aves
All 9 branches ↓
  1. kingdomMetazoa
  2. phylumChordata
  3. subphylumCraniata
  4. subphylumVertebrata
  5. superclassGnathostomata
  6. superclassSarcopterygii
  7. superclassTetrapoda
  8. orderSauria
  9. classBirds · Aves
More

More about the Arctic Tern

In other languages
Noordse stern (nl), Sterna paradisaea (es), Sterne arctique (fr), 北極燕鷗 (zh), Rybitwa popielata (pl), sarki csér (hu) … and 26 more languages

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