Aves |
Charadriiformes |
Laridae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Others. Subtropical
Northern Pacific, Northern Atlantic and the Arctic. Subtropical to polar.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Found on beach and shoreline (Ref. 116102). Large, cliff-nesting gulls that exhibit high site fidelity. In the Canadian Arctic, form small colonies on coastal cliffs, tens to hundreds of kilometers apart. Adults feed at sea, away from its colony; parents feed their chicks mainly fish ( Ref. 95169).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lepage, D. 2007 Avibase -the World Bird Database. http://www.bsc-eoc.org/avibase/avibase.jsp [accessed 09/07/2007]. (Ref. 7816)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
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