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Brachyramphus marmoratus   (Gmelin, 1789)

marbled murrelet

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

Main reference
Hirsch, K.V., D.A. Woodby and L.B. Astheimer. 1981. (Ref. 8541)
References | Biblio | Coordinator | Collaborators

Size / Weight / Age
Max length : 25.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 202.50 g (Ref. 356)

Environment
Others

Climate / Range
Polar

Distribution
Pacific Ocean: California to the Aleutian Islands. Boreal to subtropical.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

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

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

IUCN Red List Status (Ref. 114614)

  Endangered (EN) (A2bc+3bc+4bc)

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)
Low vulnerability (15 of 100)
Price category (Ref. 80766)
Unknown