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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. [2] [3]
A small flock of Pilgrim Geese - an example of color-sexing goose; males are white, females are gray The plumage of male and female goose is usually the same. However, there are few auto-sexing goose, which are sexually dimorphic and the sex can be identified by the first look by plumage.
It is similar in appearance to a white-phase snow goose, but about 40% smaller. Other differences from the snow goose are that the bill is smaller in proportion to its body and lacks "black lips". Like snow geese, Ross's geese may exhibit a darker "blue" phase or morph, though this is extremely rare (<0.01% of adult birds). [2]
Canada geese, like humans, are monogamous, and couples often stay paired up for life — making an ideal home environment for orphaned goslings. Flocks will foster abandoned goslings without a peep."
The greater white-fronted goose (Anser albifrons) is a species of goose, closely related to the smaller lesser white-fronted goose (A. erythropus). [2] The greater white-fronted goose is migratory , breeding in northern Canada , Alaska , Greenland and Russia, and winters farther south in North America, Europe and Asia. [ 1 ]
The Egyptian goose (Alopochen aegyptiaca) is an African member of the Anatidae family including ducks, geese, and swans. Because of their popularity chiefly as an ornamental bird , the species has also been introduced to Europe, the United States and elsewhere outside their natural range.
Snow geese have been swarming into the 7,500-acre Missouri refuge in recent weeks, photos shared on the refuge’s Facebook show. Snow geese stop at the refuge as they migrate north for spring.
Anser is a waterfowl genus that includes the grey geese and the white geese.It belongs to the true goose and swan subfamily of Anserinae under the family of Anatidae. [2] The genus has a Holarctic distribution, with at least one species breeding in any open, wet habitats in the subarctic and cool temperate regions of the Northern Hemisphere in summer.