Snow Goose
Anser caerulescens
- KingdomAnimalia (Animals)
- PhylumChordata (Chordates)
- ClassAves (Birds)
- OrderAnseriformes (Waterfowl)
- FamilyAnatidae (Ducks, Geese, and Swans)
- GenusAnser (Grey Geese)
- SpeciesAnser caerulescens (Snow Goose)
About the Snow Goose
The snow goose (Anser caerulescens) is a species of goose native to North America. Both white and dark morphs exist, the latter often known as blue goose. Its name derives from the typically white plumage. The species was previously placed in the genus Chen, but is now typically included in the "gray goose" genus Anser.
Snow geese breed north of the timberline in Greenland, Canada, Alaska, and the northeastern tip of Siberia, and spend winters in warm parts of North America from southwestern British Columbia through parts of the United States to Mexico.
In 1750, English naturalist George Edwards included an illustration and a description of the snow goose in the third volume of his A Natural History of Uncommon Birds. He used the English name "the blue-winged goose". Edwards based his hand-coloured etching on a preserved specimen that had been brought to London from the Hudson Bay area of Canada by James Isham. When in 1758 the Swedish naturalist Carl Linnaeus updated his Systema Naturae for the 10th edition, he placed the snow goose with the ducks and geese in the genus Anas. Linnaeus included a brief description, coined the binomial name Anas caerulescens, and cited... Wikipedia →
Closest Relatives at Saguaro National Park
Swan Goose
Anser cygnoides
Ross's Goose
Anser rossii
Greater White-fronted Goose
Anser albifrons
Mallard
Anas platyrhynchos
American Wigeon
Mareca americana
Ring-necked Duck
Aythya collaris
Northern Shoveler
Spatula clypeata
Ruddy Duck
Oxyura jamaicensis
Cinnamon Teal
Spatula cyanoptera
Common Teal
Anas crecca
Northern Pintail
Anas acuta
Gadwall
Mareca strepera
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
Quick answers
What are the chances of seeing a Snow Goose in Saguaro National Park?
About 10% of wildlife watchers report a Snow Goose sighting in Saguaro National Park, based on 2,843 verified sightings from GBIF citizen-science data.
When is the best time to see Snow Goose in Saguaro National Park?
October has the highest sighting rate for Snow Goose in Saguaro National Park in our monthly data.