Aves |
Charadriiformes |
Alcidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 34 m (Ref. 59105), usually 15 - 30 m (Ref. 59105). Polar; 84°N - 33°N, 176°W - 114°E (Ref. 125423)
Northern Atlantic, the Arctic and Bering Sea.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm Max length : 25.0 cm TL hane/ej könsbestämd; (Ref. 8812); publicerad maxvikt: 163.00 g (Ref. 356)
Culmen: 1.32 cm; tarsus: 2.09 cm; wing: 11.45 cm.
Total Length: 20 to 25 cm; Wingspan: 31 to 33 cm (Ref. 8812). Pursuit diving (Ref. 356), found in the pelagic zone (Ref. 116102); continental shelf; <100 km (Ref. 356). Planktivorous (Ref. 118089).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Breeds in Greenland, Iceland, and on the islands north of Europe and Asia. Winters southward on the open ocean from its Breeding range even to Florida, Bermuda, Madeira and the Mediterranean (Ref. 87872).
Evans, P.G.H. 1981 Ecology and behaviour of the Little auk Alle alle in West Greenland. Ibis 123:1-18. (Ref. 91619)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Verktyg
Ytterligare information
Population dynamicsTillväxtMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundans PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 0.1 - 10.6, mean 3.2 (based on 1133 cells).
Resiliens
Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=13.23-44.52).
Fishing Vulnerability
Low vulnerability (15 of 100).
Price category
Unknown.
