Aves |
Charadriiformes |
Laridae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Others; depth range 0 - 1 m (Ref. 93225). Subtropical; 11°N - 42°S, 98°W - 70°W
Southeast Pacific. From Costa Rica to Chile. Tropical to subtropical.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 57.0 cm TL male/unsexed; (Ref. 84934); max. published weight: 740.00 g (Ref. 356)
The world's only night-feeding gull; It pursuits squid and nocturnal fish at open sea (Ref. 356). Breeding attempts occur between migration events (Ref. 93225).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Breeding is asynchronous, with breeding periods of different birds overlap to varying degrees.
Enticott, J. and D. Tipling. 1997. (Ref. 84934)
IUCN Red List Status (Ref. 130435: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Population dynamicsGrowthAge/SizeLength-weightLength-lengthLength-frequenciesMass conversionRecruitmentAbundance Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvaeLarval dynamics Human RelatedAquaculture profile
Stamps, Coins Misc.
Internet sources
Estimates based on models
Vulnerability
Moderate vulnerability (43 of 100).
Price category
Unknown.