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Auckland Shag

Leucocarbo colensoi (Buller, WL 1888)

The Auckland shag or Auckland Islands shag is a species of cormorant from New Zealand. The species is endemic to the Auckland Islands archipelago. It is a sedentary bird that primarily eats various crustaceans and fish. In recent years, roughly 1,000 pairs have been recorded. The Auckland shag is a colonial nester, building sizeable nests of, among other items, grass, twigs and seaweed. The Auckland shag lays three pale blue-green eggs in November–February. The incubation period is 26–32 days. Source: Wikipedia




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Classification
Order:
  Pelecaniformes
Family:
  Phalacrocoracidae
Genus:
   Leucocarbo
Scientific:
  Leucocarbo colensoi

Original description

Citation:
  (Buller, WL 1888)

Reference:
   Hist. Birds New Zeal. ed. 2 2 p.161

Protonym:
  Phalacrocorax colensoi

Type locality:
  Auckland Islands.

Link:
  https://www.biodiversitylibrary.org/item/222883#page/211/mode/1up

Avibase identifiers

Avibase ID:
  3B5B61A009985C88

Avibase ID:
  avibase-3B5B61A0

Short link:
  https://avibase.ca/3B5B61A0

Taxonomic Serial Number:
  TSN: 824010


VULNERABLE

English:
Auckland Island Shag
Afrikaans:
Aucklandduiker
Azerbaijani:
Oklend qarabatdağı
Bulgarian:
Оукландски корморан
Bengali:
ি঄করযাণ্ড ঱যাগ
Catalan:
Corb marí de les illes Auckland
Czech:
kormorán aucklandský
Danish:
Aucklandskarv
German:
Aucklandscharbe
Esperanto:
aŭklanda kormorano
Spanish:
Cormorán de las Auckland
Spanish (Spain):
Cormorán de Las Auckland
Estonian:
aucklandi pugalkormoran (aucklandi pugalkarbas)
Finnish:
aucklandinmerimetso
French:
Cormoran des Auckland
Croatian:
oklandski vranac
Hungarian:
auckland-szigeteki kárókatona
Italian:
Cormorano delle Auckland
Japanese (romaji):
o-kurandou
Japanese:
オークランドウ
Lithuanian:
oklandinis kormoranas
Dutch:
Aucklandaalscholver
Norwegian Nynorsk:
Aucklandskarv
Norwegian:
Aucklandskarv
Polish:
kormoran łuskowany
Portuguese:
Biguá-das-auckland
Portuguese (Portugal):
corvo-marinho-das-auckland
Russian:
Оклендский баклан
Slovak:
kormorán šupinatý
Serbian:
Oklandski vranac
Swedish:
aucklandskarv
Turkish:
Aukland Adası alaca karabatağı
Ukrainian:
Баклан оклендський
Chinese:
奥岛鸬鹚
Chinese (Traditional):
奧克蘭島鸕鷀

Authorities recognizing this taxonomic concept:

Avibase taxonomic concepts (current):
Auckland Island Shag ( Leucocarbo colensoi) [version 1]
Avibase taxonomic concepts v. 2023 (May 2023):
Auckland Island Shag ( Leucocarbo colensoi) [version 1]
Avibase taxonomic concepts v. 2024 (Oct 2024):
Auckland Island Shag ( Leucocarbo colensoi) [version 1]
Avibase taxonomic concepts v. 2025 (Nov 2025):
Auckland Island Shag ( Leucocarbo colensoi)
Avibase taxonomic concepts v. 01 (August 2013):
Auckland Island Shag ( Phalacrocorax colensoi) [version 1]
Avibase taxonomic concepts v. 02 (May 2014):
Auckland Island Shag ( Phalacrocorax colensoi) [version 1]
Avibase taxonomic concepts v. 03 (March 2015):
Auckland Island Shag ( Phalacrocorax colensoi) [version 1]
Avibase taxonomic concepts v. 04 (Aug 2016):
Auckland Island Shag ( Phalacrocorax colensoi) [version 1]
Avibase taxonomic concepts v. 05 (Jan 2017):
Auckland Island Shag ( Phalacrocorax colensoi) [version 1]
Avibase taxonomic concepts v. 06 (Feb 2018):
Auckland Island Shag ( Phalacrocorax colensoi) [version 1]
Avibase taxonomic concepts v. 07 (Feb 2020):
Auckland Island Shag ( Phalacrocorax colensoi) [version 1]
Avibase taxonomic concepts v. 08 (Feb 2021):
Auckland Island Shag ( Leucocarbo colensoi) [version 1]
Avilist 2025:
Auckland Shag ( Leucocarbo colensoi) [version 1]
Birdlife checklist version 00:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 01:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 02:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 03:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 04:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 05 (Jun 2012):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 05.1 (Oct 2012):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 06 (Nov 2013):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 06.1 (Feb 2014):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 07 (Jul 2014):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 08 (Oct 2015):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 09 (Dec 2016):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Birdlife checklist version 09.1 (Jun 2017):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
HBW and BirdLife Taxonomic Checklist v2 (Dec 2017):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
HBW and BirdLife Taxonomic Checklist v3 (Nov 2018):
Auckland Shag ( Leucocarbo colensoi) [version 1]
HBW and BirdLife Taxonomic Checklist v4 (Dec 2019):
Auckland Shag ( Leucocarbo colensoi) [version 1]
HBW and BirdLife Taxonomic Checklist v5 (Dec 2020):
Auckland Shag ( Leucocarbo colensoi) [version 1]
HBW and BirdLife Taxonomic Checklist v6 (Dec 2021):
Auckland Shag ( Leucocarbo colensoi) [version 1]
HBW and BirdLife Taxonomic Checklist v6b (Jul 2022):
Auckland Shag ( Leucocarbo colensoi) [version 1]
HBW and BirdLife Taxonomic Checklist v7 (Dec 2022):
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
HBW and BirdLife Taxonomic Checklist v8 (Dec 2023):
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
HBW and BirdLife Taxonomic Checklist v9 (Oct 2024):
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
HBW and BirdLife Taxonomic Checklist v10 (Oct 2025):
Auckland Islands Shag ( Leucocarbo colensoi)
Commission internationale pour les noms français des oiseaux (1993, révision 2009):
Cormoran des Auckland ( Phalacrocorax colensoi) [version 1]
Commission internationale pour les noms français des oiseaux (1993):
Cormoran des Auckland ( Phalacrocorax colensoi) [version 1]
Clements, version 2021:
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
Clements, version 2022:
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
Clements, version 2023:
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
Clements, version 2024:
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
Clements, version 2025:
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
Clements 4th edition:
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Clements 5th edition (as published):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 5th edition (incl. 2000 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 5th edition (incl. 2001 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 5th edition (incl. 2002 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 5th edition (incl. 2003 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 5th edition (incl. 2004 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 5th edition (incl. 2005 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 6th edition:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 6th edition (incl. 2007 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 6th edition (incl. 2008 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 6th edition (incl. 2009 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 6th edition (version 6.5 incl. 2010 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 6th edition (version 6.6 incl. 2011 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 6th edition (version 6.7 incl. 2012 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 6th edition (version 6.8 incl. 2013 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements 6th edition (version 6.9 incl. 2014 revisions):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements, version 2015:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements, version 2016:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements, version 2017:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements, version 2018:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Clements, version 2019:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 1.50:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 1.52:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 1.53:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 1.54:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 1.55:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 2015:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 2016:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 2017:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 2018:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 2019:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
eBird version 2021:
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
eBird version 2022:
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
eBird version 2023:
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
eBird version 2024:
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
eBird version 2025:
Auckland Islands Shag ( Leucocarbo colensoi) [version 1]
Howard and Moore 2nd edition:
Phalacrocorax campbelli colensoi [version 2]
Howard and Moore 3rd edition (as published):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 1.2):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 2.1):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 3.1):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 4):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 5):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 6):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 7):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 8):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Howard and Moore 4th edition (vol. 1-2):
Phalacrocorax campbelli colensoi [version 2]
Howard and Moore 4th edition (incl. corrigenda vol.1-2):
Phalacrocorax campbelli colensoi [version 2]
Handbook of the Birds of the World (vol 1-16):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Handbook of the Birds of the World Alive (31/01/2015):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Handbook of the Birds of the World Alive (03/07/2017):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Handbook of the Birds of the World and Birdlife (Dec 2017):
Auckland Shag ( Phalacrocorax colensoi) [version 1]
Handbook of the Birds of the World and Birdlife (Dec 2018):
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 1.0:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 1.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 1.5:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 1.6:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 1.7:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.0:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.3:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.4:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.5:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.6:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.7:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.8:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.9:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.10:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 2.11:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 3.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 3.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 3.3:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 3.4:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 3.5:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 4.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 4.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 4.3:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 4.4:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 5.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 5.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 5.3:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 5.4:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 6.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 6.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 6.3:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 6.4:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 7.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 7.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 7.3:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 8.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 8.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 9.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 9.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 10.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 10.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 11.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 11.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 12.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 12.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 13.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 13.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 14.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 14.2:
Auckland Shag ( Leucocarbo colensoi) [version 1]
IOC World Bird Names, version 15.1:
Auckland Shag ( Leucocarbo colensoi) [version 1]
Peters' Check-list of the Birds (original):
Phalacrocorax carunculatus colensoi [version 1]
Peters' Check-list of the Birds (2nd edition):
Phalacrocorax campbelli colensoi [version 2]
Sibley and Monroe (1993):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Sibley and Monroe (1993, including corrections up to 1998):
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Sibley and Monroe, Birds of the World Version 2.0:
Auckland Islands Shag ( Phalacrocorax colensoi) [version 1]
Zoonomen - Zoological Nomenclature Resource:
Phalacrocorax colensoi [version 1]
Zoonomen - Zoological Nomenclature Resource:
Leucocarbo colensoi [version 1]

Taxonomic status:

Species status: full species (sometimes a subspecies)

This taxon is considered a subspecies of Leucocarbo [carunculatus, chalconotus, onslowi, colensoi or ranfurlyi] (sensu lato) by some authors

Your sightings

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Related taxa

Alternative arrangements:  1  2 

Highlight taxa in a checklist (shown in red)

Other synonyms

See also the taxonomic synonyms table.


Azerbaijani: Oklend qarabatdağı
Bengali: ি঄করযাণ্ড ঱যাগ
Bengali (transliteration): akalyāṇḍa śyāga*
Catalan: Corb marí de les illes Auckland
Czech: kormorán aucklandský
Danish: Aucklandskarv
German: Aucklandscharbe, Auckland-Scharbe
English: Auckland Island Cormorant, Auckland Island Shag, Auckland Islands Shag, Auckland Shag
English, HBW: Auckland Shag
English (IOC): Auckland Shag
English (New Zealand): Auckland Island Shag
English (United States): Auckland Islands Shag
Esperanto: aŭklanda kormorano, Aŭklanda tufkormorano, aŭkland-insula kormorano
Spanish: Cormorán de Auckland, Cormorán de las Auckland
Spanish (Spain): Cormorán de Las Auckland
Spanish (HBW): Auckland Islands Shag
Estonian: aucklandi pugalkormoran (aucklandi pugalkarbas), motumaha pugalkarbas, motumaha pugalkormoran
Finnish: aucklandinmerimetso
French: Cormoran d'Auckland, Cormoran des Auckland
Croatian: oklandski vranac
Hungarian: auckland-szigeteki kárókatona
Italian: Cormorano delle Auckland
Japanese (romaji): oakurandou, o-kurandou
Japanese: オアクランドウ, オークランドウ
Kirghiz: Оклендс кара казы
Scientific: Eulococarbo colensoi, Leucocarbo colensoi, Phalacrocorax campbelli colensoi, Phalacrocorax carunculatus colensoi, Phalacrocorax colensoi
Lithuanian: oklandinis kormoranas
Maori: Koa
Dutch: Aucklandaalscholver
Norwegian Nynorsk: Aucklandskarv
Norwegian: Aucklandskarv
Polish: kormoran luskowany, kormoran łuskowany
Portuguese: Biguá-das-auckland
Portuguese (Portugal): corvo-marinho-das-auckland
Russian: Оклендский баклан
Slovak: kormorán šupinatý
Serbian: Oklandski vranac, Vranac sa Oklandskih ostrva
Swedish: Aucklandskarv
Turkish: Aukland Adası alaca karabatağı, Aukland Adası Karabatağı
Ukrainian: Баклан оклендський
Chinese: 奥岛鸬鹚
Chinese (Traditional): 奧克蘭島鸕鷀

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