Cereopsis novaehollandiae grisea: Difference between revisions

Cereopsis novaehollandiae grisea
Conservation status
	; Vulnerable (EPBC Act)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Anseriformes
Family:	Anatidae
Genus:	Cereopsis
Species:	C. novaehollandiae
Subspecies:	C. n. grisea
Trinomial name
	Cereopsis novaehollandiae grisea; Vieillot, 1818

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The Recherche Cape Barren goose (Cereopsis novaehollandiae grisea), also known as the Cape Barren goose (southwestern), is large grazing bird found along the southern coast of Western Australia. It is a subspecies of the Cape Barren goose, the other subspecies of which inhabits islands and coastal regions of Bass Strait in south-eastern Australia. It is distinguished by its larger size and variant colouring.

Distribution and habitat

The subspecies is found on the beaches, pasture, rocky areas, and islands of the Recherche Archipelago, which is its only breeding site. It also visits Pink Lake and Red islet. The Cape Arid, Stokes, and Cape Le Grand National Parks are also occupied in summer months.

Behaviour

The geese feed by grazing and rarely swim. Nesting takes place mainly on the larger scrub-covered islands of the Archipelago, notably Cull Island.^[3]

Status and conservation

Historically the population of the western subspecies was about 1000 individuals, declining in the early 1990s, with the current population considered stable. Its relative rarity of the subspecies makes it vulnerable to extinction.^[4]

References

^ "Cereopsis novaehollandiae grisea — Cape Barren Goose (south-western), Recherche Cape Barren Goose". Species Profile and Threats Database. Retrieved 2022-09-18.
^ "Cereopsis novaehollandiae grisea". Integrated Taxonomic Information System. Retrieved 25 March 2008.
^ "Management Plan for Esperance Coastal Reserves Issues". 2007. Archived from the original on 2007-10-21. Retrieved 2007-10-14.
^ Stephen Garnett; Gabriel Crowley (2000). "Action Plan for Australian Birds 2000". Threatened Bird lists: Vulnerable. Birds Australia. Archived from the original on 2008-03-12. Cape Barren Goose (south-western) Cereopsis novaehollandiae grisea

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[1] "Cereopsis novaehollandiae grisea — Cape Barren Goose (south-western), Recherche Cape Barren Goose". Species Profile and Threats Database. Retrieved 2022-09-18.

[2] "Cereopsis novaehollandiae grisea". Integrated Taxonomic Information System. Retrieved 25 March 2008.

[3] "Management Plan for Esperance Coastal Reserves Issues". 2007. Archived from the original on 2007-10-21. Retrieved 2007-10-14.

[4] Stephen Garnett; Gabriel Crowley (2000). "Action Plan for Australian Birds 2000". Threatened Bird lists: Vulnerable. Birds Australia. Archived from the original on 2008-03-12. Cape Barren Goose (south-western) Cereopsis novaehollandiae grisea

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@@ Line 1: / Line 1: @@
+{{short description|Subspecies of bird}}
-{{Taxobox
+{{subspeciesbox
 | status = VU
 | status_system = EPBC
-| status_ref = <ref>http://www.environment.gov.au/cgi-bin/sprat/public/publicspecies.pl?taxon_id=25978</ref>
+| status_ref = <ref>{{cite web|title=Cereopsis novaehollandiae grisea — Cape Barren Goose (south-western), Recherche Cape Barren Goose |website=Species Profile and Threats Database|accessdate=2022-09-18 |url=http://www.environment.gov.au/cgi-bin/sprat/public/publicspecies.pl?taxon_id=25978}}</ref>
-| regnum = [[Animal]]ia
+| genus = Cereopsis
+| species = novaehollandiae
-| phylum = [[Chordate|Chordata]]
+| species_link = Cape Barren goose
-| classis = [[Bird|Aves]]
+| subspecies = grisea
-| ordo = [[Anseriformes]]
+| authority =  [[Louis Pierre Vieillot|Vieillot]], 1818<ref>{{ITIS |id=714729 |taxon=''Cereopsis novaehollandiae grisea'' |accessdate=25 March 2008}}</ref>
-| familia = [[Anatidae]]
+}}
-| genus = ''[[Cape Barren Goose|Cereopsis]]''
-| species = ''[[Cape Barren Goose|C. novaehollandiae]]''
-| subspecies = '''''C. n. grisea'''''
-| trinomial = ''Cereopsis novaehollandiae grisea''
-| trinomial_authority =  [[Louis Jean Pierre Vieillot|Vieillot]], 1818 <ref>{{ITIS |id=714729 |taxon=''Cereopsis novaehollandiae grisea'' |accessdate=25 March 2008}}</ref>
- }}
-'''Cereopsis novaehollandiae grisea''', the ''' Recherche Cape Barren Goose''', is large grazing bird found at southern coasts of [[Western Australia]]. Related to the Cape Barren Goose of the [[Eastern states of Australia|eastern states]], it is larger and has different colouring.
+The '''Recherche Cape Barren goose''' ('''''Cereopsis novaehollandiae grisea'''''), also known as the '''Cape Barren goose (southwestern)''', is large grazing bird found along the southern coast of [[Western Australia]].  It is a [[subspecies]] of the [[Cape Barren goose]], the other subspecies of which inhabits islands and coastal regions of [[Bass Strait]] in south-eastern Australia.  It is distinguished by its larger size and variant colouring.
+==Distribution and habitat==
-The subspecies is also known as the '''Cape Barren Goose (southwestern)''', to distinguish it from the more populous eastern [[Cape Barren Goose]]. The historic population was around 1000 individuals, becoming reduced in the early 1990s, with the current population considered stable. However, the rarity of the subspecies makes this bird vulnerable to extinction.<ref>{{cite web  | url = http://www.birdsaustralia.com.au/threatened-bird-lists/vulnerable.html  | title = Action Plan for Australian Birds 2000  | accessdate =    | author =   | authorlink =   | coauthors = Stephen Garnett and Gabriel Crowley  | date =   | year = 2000  | month =   | work = Threatened Bird lists: Vulnerable  | publisher = Birds Australia  | quote = Cape Barren Goose (south-western)	Cereopsis novaehollandiae grisea  }}</ref>
+The subspecies is found on the beaches, pasture, rocky areas, and islands of the [[Recherche Archipelago]], which is its only breeding site.  It also visits [[Pink Lake, Western Australia|Pink Lake]] and Red islet. The [[Cape Arid National Park|Cape Arid]], [[Stokes National Park|Stokes]], and [[Cape Le Grand National Park|Cape Le Grand]] National Parks are also occupied in summer months.
+==Behaviour==
-The species is found on the coastal beaches, pasture, rocky areas, and islands of the [[Recherche Archipelago]]. It also occurs at [[Pink Lake, Western Australia|Pink Lake]] and Red islet. The [[Cape Arid National Park|Cape Arid]], [[Stokes National Park|Stokes]], and [[Cape Le Grand National Park|Cape Le Grand]] National Parks are also occupied in summer months. This [[bird]] feeds by grazing and rarely swims. Breeding is primarily on the larger scrub covered islands of the Archipelago, notably Cull Island.<ref>{{cite web|url=http://www.naturebase.net/component/option,com_docman/task,doc_download/gid,745/|title=Management Plan for Esperance Coastal Reserves Issues|year=2007|accessdate=2007-10-14}}</ref>
+The geese feed by grazing and rarely swim.  Nesting takes place mainly on the larger scrub-covered islands of the Archipelago, notably [[Cull Island]].<ref>{{cite web|url=http://www.naturebase.net/component/option,com_docman/task,doc_download/gid,745/|title=Management Plan for Esperance Coastal Reserves Issues|year=2007|accessdate=2007-10-14|archive-url=https://web.archive.org/web/20071021055517/http://www.naturebase.net/component/option,com_docman/task,doc_download/gid,745/#|archive-date=2007-10-21|url-status=dead}}</ref>
+==Status and conservation==
-<!-- From Species description: These are bulky geese and their almost uniformly grey plumage, bearing rounded black spots, is unique. The tail and flight feathers are blackish and the legs are pink with black feet. The short, decurved black bill and green [[cere]] gives it a very peculiar expression.
+Historically the population of the western subspecies was about 1000 individuals, declining in the early 1990s, with the current population considered stable. Its relative rarity of the subspecies makes it vulnerable to extinction.<ref>{{cite web  | url = http://www.birdsaustralia.com.au/threatened-bird-lists/vulnerable.html  | archive-url = https://web.archive.org/web/20080312215957/http://www.birdsaustralia.com.au/threatened-bird-lists/vulnerable.html  | url-status = dead  | archive-date = 2008-03-12  | title = Action Plan for Australian Birds 2000  | author = Stephen Garnett  | author2 = Gabriel Crowley  | year = 2000  | work = Threatened Bird lists: Vulnerable  | publisher = Birds Australia  | quote = Cape Barren Goose (south-western) ''Cereopsis novaehollandiae grisea''  }}</ref>
-The Cape Barren Goose is 75-100 cm (30-40 in) long, and has a 150-190 cm (59-75 in) wingspan; males are somewhat larger than females. The male weighs on average 5.29 kg (11.6 lbs) and the female 3.77 kg (8.3 lbs).
-[[Image:Cereopsis novaehollandiae1.jpg|left|225px]]
+==References==
-It is gregarious outside the breeding season, when it wanders more widely, forming small flocks. It is a most peculiar goose of uncertain affiliations (Sraml ''et al.'' 1996). It may either belong into the "true geese" and [[swan]] [[subfamily]] [[Anserinae]] or into the [[shelduck]] subfamily [[Tadorninae]] as distinct [[tribe (biology)|tribe]] '''Cereopsini''', or be separated, possibly including the prehistorically [[extinct]] flightless [[New Zealand Geese]] of the genus ''Cnemiornis'', in a distinct subfamily '''Cereopsinae'''. Indeed, the first bones of the [[New Zealand]] birds to be discovered were similar enough to those of the Cape Barren Goose to erroneously refer to them as "New Zealand Cape Barren Goose" (''"Cereopsis" novaezeelandiae'').
+{{Reflist}}
+{{Taxonbar|from=Q5064183}}
-A previous decline in numbers appears to have been reversed as birds in the east at least have adapted to feeding on agricultural land. The breeding areas are grassy islands off the Australian coast, where this species nests on the ground in colonies. It bears captivity well, quite readily breeding in confinement if large enough paddocks are provided.
+[[Category:Endemic birds of Western Australia]]
-In Australia, 19th century explorers named a number of islands "[[Goose Island]]" due to the species' presence there.
+[[Category:Birds described in 1818]]
+[[Category:Taxa named by Louis Pierre Vieillot]]
-The smaller population of Cape Barren Goose in [[Western Australia]] is described as a subspecies, ''[[Cereopsis novaehollandiae grisea]]'', and named for the group of islands known as the [[Recherche Archipelago]].
--->
-== References ==
-{{reflist}}
-[[Category:Cereopsis|Novaehollandiae grisea]]
-[[Category:Birds of Western Australia]]
-[[Category:Geese]]