Aves | 
Charadriiformes | 
Laridae
			
			
			
				Environment: milieu / climate zone / depth range / distribution range				
				
					Ecology				
				
			
			
				Others; freshwater.  Tropical; 82°N -   27°N, 85°W -   62°E (Ref. 124582)			
			
			
				
			
			
			
				Indo-Pacific, Atlantic Ocean, Mediterranean and the Arctic:  Belize, Newfoundland, Egypt and Russia.  Tropical to polar.
			
			
			
			
			
				Length at first maturity / Size / Weight / Age
			
			
				Maturity: Lm ?  range ? - ? cm Max length : 79.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 1.5 kg (Ref. 356)			
			
			
							
				
				
					
						Culmen: 6.48 cm; tarsus: 8.04 cm; wing: 48.1 cm.					
				
				
						
			
			
			
			
				
					Total Length:  71 to 79 cm; Wingspan:  152 to 167 cm (Ref. 8812). Found on beach and shoreline (Ref. 116102).  Occupy the continental shelf; <100 km (Ref. 356). Largely dependent on freshwater and terrestrial environments.  Feeds mostly on  non-fish vertebrate prey (Ref. 95711).   Displays surface-seizing and dipping behavior (Ref. 356).  In the North Sea off the coasts of Scotland and northern England, is known to partially feed on the sandeel, Ammodytes marinus (Ref. 95711).				
			
			
			
			
			
				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				
			
			
			
			
			
			
				
					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): 0.5 - 11.9, mean 7.3 (based on 1006 cells).			
 
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Moderate to high vulnerability (52 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.