🐦Arctic Tern
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.
IUCN Red List assessment, 2018.
- 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
Everything we know about the Arctic Tern
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass0.11 kgrecord 0.11 kg · SeaLifeBaseAVONETOther figures ↓Hide ↑
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 length0.38 mmaximum recorded, total lengthSeaLifeBaseDetails ↓Hide ↑
Source: SeaLifeBase · v25.04 · CC BY-NC 4.0
Tail length0.18 mAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Wing length0.26 mAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Beak length0.04 mAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Tarsus length0.02 mAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Maximum lifespan34 yearsAnAgeDetails ↓Hide ↑
data quality: acceptable
Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0
Gestation21 daysAnAgeDetails ↓Hide ↑
data quality: acceptable
Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0
Litter sizeabout 2AnAgeDetails ↓Hide ↑
data quality: acceptable
Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0
Trophic levelCarnivoreAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
HabitatCoastalAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
LifestyleAerialAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Volume l0.1 LaverageDetails ↓Hide ↑
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.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classAves
- ›orderCharadriiformes
- ›familyLaridae
- ›genusSterna
- ›speciesSterna paradisaea
- superclassSarcopterygii
- superclassTetrapoda
- orderSauria
- classBirds · Aves
All 9 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassSarcopterygii
- superclassTetrapoda
- orderSauria
- classBirds · Aves
More about the Arctic Tern
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