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Ross's geese, along with other "white geese" (i.e., snow goose, emperor goose) previously belonged to the genus Chen, however, recent genetic sequencing has concluded that this genus was polyphyletic with the Anser genus, where most taxonomists now place Ross's goose and its allies.
Anser canagicus (Sevastianov 1802) (emperor goose) NT; Anser rossii Cassin 1861 (Ross's goose) LC; Anser caerulescens (Linnaeus 1758) (snow goose) LC. A. c. atlantica Kennard 1927 (greater snow goose) A. c. caerulescens (Linnaeus 1758) (lesser snow goose) Subgenus Brisson 1760. Anser anser (Linnaeus 1758) (greylag goose) LC
The snow goose is now placed in the genus Anser that was introduced by the French zoologist Mathurin Jacques Brisson in 1760. [7] [8] The scientific name is from the Latin anser, "goose", and caerulescens, "bluish", derived from caeruleus, "dark blue". [9] The snow goose is the sister species to Ross's goose (Anser rossii). [10]
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.
Cackling goose: Branta hutchinsii (Richardson, 1832) 16 Bar-headed goose: Anser indicus (Latham, 1790) 17 Emperor goose: Anser canagicus (Sevastianov, 1802) 18 Ross's goose: Anser rossii Cassin, 1861: 19 Snow goose: Anser caerulescens (Linnaeus, 1758) 20 Greylag goose: Anser anser (Linnaeus, 1758) 21 Swan goose: Anser cygnoides (Linnaeus, 1758 ...
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.
This category contains the species of the genus Anser. Commonly called grey geese. Pages in category "Anser (bird)" ... Ross's goose; S. Snow goose; Sushkin's goose;
The mandibles are assigned to the genus Chondestes and further to the lark sparrow due to the fact that it is the only known species of the genus. Loggerhead shrike [116] [56] Lanius ludovicianus: Three specimen [80] [a] Cf. Mountain chickadee [11] Poecile gambeli: Northwestern crow [56] [11] Corvus caurinus † Convex-billed cowbird [128] [127 ...