Animalia > Chordata > Aves > Suliformes > Phalacrocoracidae > Phalacrocorax > Phalacrocorax varius

Phalacrocorax varius (Australian Pied Cormorant)

Synonyms: Australocorax vetustus; Pelecanus varius (homotypic); Phalacrocorax vetustus

Wikipedia Abstract

The Australian pied cormorant (/ˌpaɪd ˈkɔːrmərənt/ PYD KOR-mər-ənt), Phalacrocorax varius, also known as the pied cormorant or pied shag, is a medium-sized member of the cormorant family. It is found around the coasts of Australasia. In New Zealand it is usually known either as the pied shag or by its Māori name of Karuhiruhi. Older sources may refer to it as the "yellow-faced cormorant".
View Wikipedia Record: Phalacrocorax varius


EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 5.73217
EDGE Score: 1.9069


Adult Weight [1]  3.889 lbs (1.764 kg)
Birth Weight [2]  45 grams
Female Weight [4]  3.781 lbs (1.715 kg)
Male Weight [4]  4.841 lbs (2.196 kg)
Weight Dimorphism [4]  28 %
Diet [3]  Carnivore (Invertebrates), Piscivore
Diet - Fish [3]  90 %
Diet - Invertibrates [3]  10 %
Forages - Underwater [3]  100 %
Clutch Size [6]  2
Clutches / Year [1]  1
Egg Length [1]  2.323 inches (59 mm)
Egg Width [1]  1.496 inches (38 mm)
Incubation [5]  29 days
Mating Display [2]  Ground display
Mating System [2]  Monogamy
Maximum Longevity [1]  15 years
Wing Span [5]  3.936 feet (1.2 m)

Protected Areas

Biodiversity Hotspots

Name Location Endemic Species Website
New Zealand New Zealand No
Southwest Australia Australia No

Prey / Diet

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Microcarbo melanoleucos (Little Pied Cormorant)8
Phalacrocorax sulcirostris (Little Black Cormorant)1
Platycephalus endrachtensis (Bar-tailed flathead)1
Pseudorhombus jenynsii (smalltoothed flounder)1
Thalasseus bergii (Swift Tern)7


External References


Attributes / relations provided by
1Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
2Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
3Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
4Johnsgard, PA 1993. Cormorants, Darters, and Pelicans of the World. Smithsonian Institution Press, Washington, DC
5del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
6Jetz W, Sekercioglu CH, Böhning-Gaese K (2008) The Worldwide Variation in Avian Clutch Size across Species and Space PLoS Biol 6(12): e303. doi:10.1371/journal.pbio.0060303
7Comparisons Between the Diets of Distant Taxa (Teleost and Cormorant) in an Australian Estuary, PAUL HUMPHRIES, GLENN A. HYNDES, IAN C. POTTER, Estuaries Vol. 15, No. 3. p. 327-334 September 1992
8Feeding ecology of the piscivorous birds Phalacrocorax varius, P. melanoleucos and Sterna_her i in Moreton Bay, Australia: diets and dependence on trawler discards, S. J.M. Blaber and T.J. Wassenberg, Marine Marine Biology 101, 1-10(1989)
9Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
10Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
11Species Interactions of Australia Database, Atlas of Living Australia, Version ala-csv-2012-11-19
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset accessed via on 2023-06-13; License: CC BY 4.0