Aves |
Charadriiformes |
Alcidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Others; depth range 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
Maturity: Lm ? range ? - ? cm Max length : 25.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 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
Maturity | Reproduction | Spawning | 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 |
Tools
More information
Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 0.1 - 10.6, mean 3.2 (based on 1133 cells).
Resilience
High, minimum population doubling time less than 15 months (K=13.23-44.52).
Fishing Vulnerability
Low vulnerability (15 of 100).
Price category
Unknown.
