Aves | 
Anseriformes | 
Anatidae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Others; freshwater; brackish; depth range 0 - 3 m (Ref. 115862).  Polar; 74°N -   18°N, 180°W -   180°E (Ref. 124582)			
			
			
				
			
			
			
				Arctic, Northern Pacific and Northern Atlantic.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cmmax. published weight: 1.0 kg (Ref. 356)			
			
			
							
				
				
					
						Culmen: 5.565 cm; tarsus: 4.485 cm; wing: 23.75 cm.					
				
				
						
			
			
			
			
				
					Surface diving; coastal.  Winters in the arctic North Atlantic and North Pacific (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 dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
  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): 4.1 - 12.3, mean 8.8 (based on 1317 cells).			
 
			
			
			
			
			
						
						
						
			
									
						Price category  					
					
					Unknown.