Phalacrocorax onslowi, Chatham Island shag
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Phalacrocorax onslowi   Forbes, 1893

Chatham Island shag
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Aves | Pelecaniformes | Phalacrocoracidae

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

Others.  Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Southwest Pacific: Endemic to New Zealand.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 63.0 cm TL male/unsexed; (Ref. 84934); max. published weight: 1.8 kg (Ref. 356)

Short description Morphology

Wing: 27.65 cm.

Biology     Glossary (e.g. epibenthic)

A coastal species found <50 km offshore which exhibits pursuit diving (Ref. 356).

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

Main reference References | Coordinator | Collaborators

Enticott, J. and D. Tipling 1997 Seabirds of the World: the complete reference. Singapore: New Holland (Publishers) Ltd. 234 p. (Ref. 84934)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Critically Endangered (CR) (A2bcde+3bcde+4bcde); Date assessed: 09 August 2018

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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Trophic Ecology
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Predators
Ecology
Ecology
Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Distribution
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FAO areas
Ecosystems
Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
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Taxonomy
Common names
Synonyms
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References
References

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

Fishing Vulnerability (Ref. 71543): Moderate to high vulnerability (45 of 100).

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