Swan Goose

Anser cygnoides

KingdomAnimalia (Animals)
PhylumChordata (Chordates)
ClassAves (Birds)
OrderAnseriformes (Waterfowl)
FamilyAnatidae (Ducks, Geese, and Swans)
GenusAnser (Grey Geese)
SpeciesAnser cygnoides (Swan Goose)

Daily sighting probability Insufficient data

at Sepilok

1 Verified sightings at Sepilok From 2019 to 2026

1,774 Verified sightings across all 26 parks From 2019 to 2026

☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Swan Goose

The swan goose (Anser cygnoides) is a large goose with a natural breeding range in inland Mongolia, Northeast China, and the Russian Far East. It is migratory and winters mainly in central and eastern China. Vagrant birds are encountered in Japan and Korea (where it used to winter in numbers when it was more common), and more rarely in Kazakhstan, Laos, coastal Siberia, Taiwan, Thailand and Uzbekistan.

While uncommon in the wild, this species has been extensively domesticated, when it is known as Chinese goose. Introduced and feral populations of its domestic breeds occur in many places outside its natural range. The wild form is also kept in collections, and escapes are not unusual amongst feral flocks of other Anser and Branta geese.

The swan goose was formally described in 1758 by the Swedish naturalist Carl Linnaeus in the tenth edition of his Systema Naturae under the binomial name Anas cygnoid. The original spelling of "cygnoid." (with a fullstop, suggesting an abbreviation) is widely treated as an orthographic error to be corrected to "cygnoides", but some authors regard cygnoid (without the fullstop) to be the correct original spelling which should be used, citing... Wikipedia →

Closest Relatives at Sepilok

Dendrocygna arcuata

Daily sighting probability Insufficient data

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

#	Park	Country	Daily sighting probability
1	Pyrénées National Park	🇫🇷 France	<5%
2	Saguaro National Park	🇺🇸 United States	<5%
3	Gobi Gurvansaikhan National Park	🇲🇳 Mongolia	<5%
4	Wadden Sea National Park	🇩🇪 Germany	<5%
5	Everglades National Park	🇺🇸 United States	<5%
6	Sundarbans National Park	🇮🇳 India	Insufficient data
7	Ría Lagartos Biosphere Reserve	🇲🇽 Mexico	Insufficient data
8	Corcovado National Park	🇨🇷 Costa Rica	Insufficient data
9	Arenal Volcano National Park	🇨🇷 Costa Rica	Insufficient data
10	Aigüestortes National Park	🇪🇸 Spain	Insufficient data
11	Sepilok	🇲🇾 Malaysia	Insufficient data
12	Tortuguero National Park	🇨🇷 Costa Rica	Insufficient data
13	Channel Islands National Park	🇺🇸 United States	Insufficient data
14	Sierra de Guadarrama National Park	🇪🇸 Spain	Insufficient data
15	La Amistad International Park (Panama)	🇵🇦 Panama	Insufficient data
16	Death Valley National Park	🇺🇸 United States	Insufficient data
17	Cévennes National Park	🇫🇷 France	Insufficient data
18	Khao Yai National Park	🇹🇭 Thailand	Insufficient data
19	Bandhavgarh National Park	🇮🇳 India	Insufficient data
20	Monfragüe National Park	🇪🇸 Spain	Insufficient data
21	Kinabatangan Wildlife Sanctuary	🇲🇾 Malaysia	Insufficient data
22	Sequoia and Kings Canyon National Parks	🇺🇸 United States	Insufficient data
23	Kanha National Park	🇮🇳 India	Insufficient data
24	Braulio Carrillo National Park	🇨🇷 Costa Rica	Insufficient data
25	Great Smoky Mountains National Park	🇺🇸 United States	Insufficient data
26	Shenandoah National Park	🇺🇸 United States	Insufficient data

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