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The brant goose was strictly coastal bird in winter, rarely leaving tidal estuaries, where it feeds on eelgrass (Zostera marina) [21] and the seaweed, sea lettuce (Ulva). [ 11 ] [ 22 ] On the east coast of North America, the inclusion of sea lettuce is a recent change to their diet, brought about by a blight on eelgrass in 1931.
The black geese of the genus Branta are waterfowl belonging to the true geese and swans subfamily Anserinae. They occur in the northern coastal regions of the Palearctic and all over North America , migrating to more southerly coasts in winter, and as resident birds in the Hawaiian Islands .
The black head and neck with white "chinstrap" distinguish this goose from all other geese except the larger Canada goose (Branta canadensis) and the similarly sized barnacle goose (B. leucopsis). There are up to five subspecies of cackling goose of varying sizes and plumage details. The female looks virtually identical but is slightly lighter ...
The Aleutian cackling goose (Branta hutchinsii leucopareia) is a small subspecies of the cackling goose averaging 1.7 to 2.1 kg (3.7 to 4.6 lb) in weight. It was one of 122 species of animals, birds, and fishes first documented for science by the Lewis and Clark Expedition (Corps of Discovery). [3]
Ridgway’s geese are the smallest of the white cheeked geese and the second smallest goose in the genus Branta, following the red-breasted goose. It is only slightly larger than a mallard and has a culmen (bill) length of 32 mm. The small cackling goose’s calls are described as high pitched yelps. In flight, it can be identified by its fast ...
Branta rhuax, the giant Hawaiʻi goose, is an extinct goose endemic to the island of Hawaiʻi. It was initially described as the monotypic genus Geochen , but then reassigned to Branta by Storrs L. Olson in 2013 after reexamination of the subfossil material.
The avian family Anatidae, commonly called waterfowl, comprise the ducks, geese, and swans. The International Ornithological Committee (IOC) recognizes these 174 Anatidae species distributed among 53 genera, 32 of which have only one species.
The word "goose" is a direct descendant of Proto-Indo-European *ǵʰh₂éns.In Germanic languages, the root gave Old English gōs with the plural gēs and gandra (becoming Modern English goose, geese, gander, respectively), West Frisian goes, gies and guoske, Dutch: gans, New High German Gans, Gänse, and Ganter, and Old Norse gās and gæslingr, whence English gosling.