Aves |
Charadriiformes |
Alcidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
; गहराई सीमा 0 - 50 m (संदर्भ 62202). Polar; 82°N - 42°N, 180°W - 180°E (संदर्भ 124582)
Northern Atlantic and the Arctic: Arctic Alaska, Canada, Atlantic Coast to Maine, Northern Europe and Scandinavia. Polar to Temperate.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: Lm ? range ? - ? cm Max length : 36.0 cm TL पुल्लिंग / अलिंग; (संदर्भ 8812); अधिकतम प्रकाशित वज़न: 405.00 g (संदर्भ 356)
Culmen: 3.28 cm; tarsus: 3.85 cm; wing: 13.72 cm.
Total Length: 30 to 36 cm; Wingspan: 58 cm (Ref. 8812). Pursuit diving; pack ice edge; shallow open water; polynyas; <30 km. Arctic Alaska and Canada, Atlantic Coast to Maine, Northern Europe, Scandinavia (Ref. 356).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | Eggs | Fecundity | Larvae
Ewins, P.J. 1992 Growth of Black guillemot Cepphus grylle chicks in Shetland in 1983-84. Seabirds 14:3-14. (संदर्भ 91620)
IUCN Red List Status
(संदर्भ 130435: Version 2025-1)
CITES status (संदर्भ 108899)
Not Evaluated
CMS (संदर्भ 116361)
Not Evaluated
Threat to humans
Human uses
| FishSource |
साधन
अधिक जानकारी
Population dynamicsबाढ़Max. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionबहुतायत Life cycleपुनरुत्पत्ति
परिपक्व अवधि
Fecundity
मछलीऔ का अंडे देना
Eggs
Egg development
Larvae
PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
इंटरनेट स्रोत
Estimates based on models
Preferred temperature
(Ref.
115969): 0.2 - 12.3, mean 5.4 (based on 1521 cells).
लौटाव
ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (K=30.7-44.16).
Fishing Vulnerability
Low to moderate vulnerability (26 of 100).
Price category
Unknown.
