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'''Alternative name: Auckland Islands Shag''' | '''Alternative name: Auckland Islands Shag''' | ||
| + | [[Image:Attachment.jpg|thumb|400px|right|Photo by {{user|MariettaBirder |MariettaBirder }} <br />Enderby Island, [[New Zealand]], January 2007]] | ||
| + | |||
;[[:Category:Phalacrocorax|Phalacrocorax]] colensoi | ;[[:Category:Phalacrocorax|Phalacrocorax]] colensoi | ||
==Identification== | ==Identification== | ||
| − | + | 63 cm (24¾ in) | |
*Black upperparts with a metallic blue sheen | *Black upperparts with a metallic blue sheen | ||
*White underparts and throat | *White underparts and throat | ||
| Line 9: | Line 10: | ||
*White wing bar | *White wing bar | ||
*Some males have a white patch on the back | *Some males have a white patch on the back | ||
| − | *Short black crest. | + | *Short black crest |
| + | [[Image:Colony.jpg|thumb|300px|right|Photo by {{user|MariettaBirder |MariettaBirder }} <br />Enderby Island, [[New Zealand]], January 2007]] | ||
==Distribution== | ==Distribution== | ||
| − | [[New Zealand]]: found on the | + | [[New Zealand]]: found on the Auckland Islands. |
| − | + | ||
==Taxonomy== | ==Taxonomy== | ||
| − | + | This is a [[Dictionary_M-S#M|monotypic]] species<sup>[[#References|[1]]]</sup>. | |
This taxon is considered a subspecies of [[New Zealand King Shag]] (sensu lato) by some authors<sup>[[#References|[2]]]</sup><br /> | This taxon is considered a subspecies of [[New Zealand King Shag]] (sensu lato) by some authors<sup>[[#References|[2]]]</sup><br /> | ||
Sometimes placed in genus [[:Category:Leucocarbo|Leucocarbo]]. | Sometimes placed in genus [[:Category:Leucocarbo|Leucocarbo]]. | ||
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==Behaviour== | ==Behaviour== | ||
====Breeding==== | ====Breeding==== | ||
| − | + | [[Image:Juvenile.jpg|thumb|300px|right|Juvenile<br />Photo by {{user|MariettaBirder |MariettaBirder}} <br />Enderby Island, [[New Zealand]], January 2007]] | |
| + | They breed and roost on ledges, on the tops of sea cliffs, in hollows, and also sometimes on flat ground amongst grass tussock or in the shelter of overhanging rocks, bushes or trees. The clutch consists of three eggs. Incubation lasts for 28 to 32 days. | ||
====Diet==== | ====Diet==== | ||
The diet includes small fish and marine invertebrates. | The diet includes small fish and marine invertebrates. | ||
| − | + | ||
==References== | ==References== | ||
| − | #{{Ref- | + | #{{Ref-Clements6thAug16}}#Avibase |
#ArKive | #ArKive | ||
#BF Member observations | #BF Member observations | ||
Revision as of 00:19, 14 October 2016
Alternative name: Auckland Islands Shag
- Phalacrocorax colensoi
Identification
63 cm (24¾ in)
- Black upperparts with a metallic blue sheen
- White underparts and throat
- Pink legs and feet,
- White wing bar
- Some males have a white patch on the back
- Short black crest
Distribution
New Zealand: found on the Auckland Islands.
Taxonomy
This is a monotypic species[1].
This taxon is considered a subspecies of New Zealand King Shag (sensu lato) by some authors[2]
Sometimes placed in genus Leucocarbo.
Habitat
Open sea and sheltered coastal waters. Breeds on rocky cliffs.
Behaviour
Breeding
They breed and roost on ledges, on the tops of sea cliffs, in hollows, and also sometimes on flat ground amongst grass tussock or in the shelter of overhanging rocks, bushes or trees. The clutch consists of three eggs. Incubation lasts for 28 to 32 days.
Diet
The diet includes small fish and marine invertebrates.
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Avibase
- ArKive
- BF Member observations
Recommended Citation
- BirdForum Opus contributors. (2024) Auckland Shag. In: BirdForum, the forum for wild birds and birding. Retrieved 28 April 2024 from https://www.birdforum.net/opus/Auckland_Shag
