Brachyramphus marmoratus, Marbled murrelet

Brachyramphus marmoratus   (Gmelin, 1789)

Marbled murrelet
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Classification / Names Populärnamn | synonymer | CoL | ITIS | WoRMS

Aves | Charadriiformes | Alcidae

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

; djupintervall 0 - 36 m (Ref. 61831).  Polar; 62°N - 34°N, 171°E - 120°W (Ref. 125423)

Distribution Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar

Pacific Ocean: California to the Aleutian Islands. Boreal to subtropical.

Length at first maturity / Size / Weight / Age

Könsmognad: Lm ?  range ? - ? cm Max length : 25.0 cm TL hane/ej könsbestämd; (Ref. 8812); publicerad maxvikt: 202.50 g (Ref. 356)

Short description Morfologi

Culmen: 1.6 cm; tarsus: 1.59 cm; wing: 12.7 cm.

Biologi     Ordlista (t.ex. epibenthic)

An endangered species. Nesting habitat protected under ESA in the U.S. (Ref. 87784). Total Length: 24 to 25 cm (Ref. 8812). Coastal; can be found offshore up to 300 km; thermal fronts, water <30 m deep; glacial-affected. Pursuit divers (Ref. 356). Crepuscular to nocturnal. Mate prospecting thru display and calls; nocturnal vocal displays minimal. Direct or indirect intra- and interspecific competition for nest sites. Nests in trees (Ref. 87784). Breeding pairs maintain isolation from colony until the eggs are laid (Ref. 95051). Feeds on hatchery-released pink salmon and chum salmon in Prince William Sound, Alaska. Population decline associated with mortality in fishing nets (Ref. 87784).

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

Reproductive productivity of the species in Salish Sea declined by at most 50% over the past 150 years (Ref. 95036).

Main reference referenser | Koordinator | Medarbetare

Hirsch, K.V., D.A. Woodby and L.B. Astheimer. 1981. (Ref. 8541)

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

  Endangered (EN) (A2bce+3bce+4bce); Date assessed: 27 July 2020

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): 5.6 - 13, mean 8.5 (based on 451 cells).
Resiliens (Ref. 69278): Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=60.76).
Fishing Vulnerability (Ref. 71543): Low vulnerability (15 of 100).
Price category (Ref. 80766): Unknown.

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