Aves | 
Anseriformes | 
Anatidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Others; depth range 0 - 60 m (Ref. 124707), usually 1 - 6 m (Ref. 124707).  Temperate; 82°N -   36°N, 137°E -   68°E (Ref. 124582)			
			
			
				
			
			
			
				Northern Pacific, Northern Atlantic and the Arctic:  Alaska and Canada to UK England, Greenland, Svalbard and Russia.  Temperate to polar.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cmmax. published weight: 2.1 kg (Ref. 356)			
			
			
							
				
				
					
						Culmen: 5.58 cm; tarsus: 5.35 cm; wing: 30.25 cm.					
				
				
						
			
			
			
			
				
					Surface diving; head-dipping; coastal.  Winters at sea in northern regions in the North Pacific and North Atlantic (Ref. 356).				
			
			
			
			
			
				Life cycle and mating behavior				
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
			
			
				
									
			
			
			
			
			
				SAUP Database 2006 SAUP Database. www.seaaroundus.org. (Ref. 356)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Ref. 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Ref. 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
							
			
			
				 | FishSource | 			
			
			
			
			
			
Tools
			
			
			
			
				
					More information				
				
					 Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance   Life cycleReproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
  PhysiologyOxygen consumption
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Internet sources
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 0.6 - 12.4, mean 6.9 (based on 1546 cells).			
 
			
			
			
			
			
						
						
						
			
									
						Price category  					
					
					Unknown.