Larus glaucescens, Glaucous-winged gull

Larus glaucescens   Naumann, 1840

Glaucous-winged gull
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Classification / Names Populärnamn | synonymer | CoL | ITIS | WoRMS

Aves | Charadriiformes | Laridae

Environment: milieu / climate zone / djupintervall / distribution range Ekologi

; sötvatten; brackvatten.  Tropical

Distribution Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar

Pacific Ocean and Atlantic Ocean. Tropical to polar.

Length at first maturity / Size / Weight / Age

Könsmognad: Lm ?  range ? - ? cm Max length : 70.0 cm TL hane/ej könsbestämd; (Ref. 94965); publicerad maxvikt: 1.0 kg (Ref. 356)

Short description Morfologi

Culmen: 5.76 cm; wing: 42.3 cm.

Biologi     Ordlista (t.ex. epibenthic)

Total Length: 61 to 68 cm; Wingspan: 132 to 137 cm (Ref. 8812). Occupies the continental shelf; <300 km (Ref. 356). Ground nesting species. Nests on grassy areas or slopes. When spotting threat, adults give out alarm calls to warn chicks who respond by moving to a nearby hiding place (Ref. 87784). Displays dipping and surface-plunging behavior (Ref. 356).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae

Laying of third egg which is variably smaller than the first two eggs in the same clutch is correlated to the facilitation of brood reduction (when beneficial) and sex-biased investment decisions, i.e., hormonally-mediated female reproductive recrudescence (Ref. 95045).

Main reference referenser | Koordinator | Medarbetare

SAUP Database. 2006. (Ref. 356)

IUCN Red List Status (Ref. 130435: Version 2024-2)

  Least Concern (LC) ; Date assessed: 07 August 2018

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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Ytterligare information

Trophic Ecology
Food items (preys)
Födosammansättning
Födointag
Predatorer
Ekologi
Ekologi
Population dynamics
Tillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
Life cycle
Reproduktion
Könsmognad
Fecundity
Lek
Eggs
Egg development
Larvae
Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Physiology
Syreförbrukning
Human Related
Stamps, coins, misc.
Outreach
Medarbetare
Taxonomy
Populärnamn
synonymer
Morfologi
Bilder
referenser
referenser

Internet-källor

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, sök) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 1.4 - 10.5, mean 5.3 (based on 433 cells).
Resiliens (Ref. 69278): Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=16.65).
Fishing Vulnerability (Ref. 71543): Moderate to high vulnerability (48 of 100).
Price category (Ref. 80766): Unknown.

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