Larus schistisagus   Stejneger, 1884

Slaty-backed gull
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Aves | Charadriiformes | Laridae

Environment: milieu / climate zone / depth range / distribution range Ecology

Others.  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northern Pacific, Northern Atlantic and the Arctic.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 68.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 1.3 kg (Ref. 356)

Short description Morphology

Culmen: 5.55 cm; tarsus: 6.78 cm; wing: 43.1 cm.

Biology     Glossary (e.g. epibenthic)

Total Length: 61 to 68 cm; Wingspan: 132 to 137 cm (Ref. 8812). Found on beach and shoreline (Ref. 116102). Dipping; surface plunging; coastal; steep cliffs, rocky islands.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference References | Coordinator | Collaborators

SAUP Database. 2006. (Ref. 356)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 08 August 2018

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion
Collaborators
Pictures

Internet sources

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, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 2.9 - 20.9, mean 7.9 (based on 1272 cells).
Vulnerability (Ref. 71543): Moderate to high vulnerability (47 of 100).
Price category (Ref. 80766): Unknown.