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Larus glaucescens   Naumann, 1840

Glaucous-winged gull

Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Larus glaucescens   AquaMaps   Data sources: GBIF OBIS
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Classification
Aves | Ciconiiformes | Laridae
Common names | Synonyms | CoL | ITIS | WoRMS

Main reference
SAUP Database. 2006. (Ref. 356)
References | Biblio | Coordinator | Collaborators

Size / Weight / Age
Max length : 70.0 cm TL male/unsexed; (Ref. 94965); max. published weight: 1.0 kg (Ref. 356)

Environment
Others; freshwater; brackish

Climate / Range
Tropical

Distribution
Pacific Ocean and Atlantic Ocean. Tropical to polar.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description
Culmen: 5.76 cm; wing: 42.3 cm.

Biology     Glossary (e.g. 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). 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).

IUCN Red List Status (Ref. 114614)

CITES status (Ref. 94142)

Not Evaluated

Threat to humans




Human uses

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More information

Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources
BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Vulnerability (Ref. 71543)
Moderate to high vulnerability (47 of 100)
Price category (Ref. 80766)
Unknown