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Egyptian geese usually mate for life. Both the male and female care for the offspring until they are old enough to care for themselves. [36] Such parental care, however, does not include foraging for the young, which are able to forage for themselves upon hatching. Egyptian geese typically eat seeds, leaves, grasses and plant stems.
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, ganzen, ganzerik, New High German Gans, Gänse, and Ganter, and Old Norse gás and gæslingr, whence English gosling.
The study started in the spring of 1950 with 2 male and 4 female pilgrim geese which were mated together in two breeding pens. [15] The geese were bred progressively for 5 years and by 1954, there were 16 breeding pens each with 1 gander and 5 females. [15] All the geese were trap-nested 7 days a week for the duration of the laying season.
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.
Greylag geese travel to their northerly breeding grounds in spring, nesting on moorlands, in marshes, around lakes and on coastal islands. They normally mate for life and nest on the ground among vegetation. A clutch of three to five eggs is laid; the female incubates the eggs and both parents defend and rear the young.
The female looks virtually identical, but is slightly lighter at 2.4–5.5 kg (5 + 1 ⁄ 4 – 12 + 1 ⁄ 4 lb), averaging amongst all subspecies 3.6 kg (8 lb), and generally 10% smaller in linear dimensions than the male counterparts. [19] The honk refers to the call of the male Canada goose, while the hrink call refers to the female goose. [20]
A domestic goose is a goose that humans have domesticated and kept for their meat, eggs, or down feathers, or as companion animals.Domestic geese have been derived through selective breeding from the wild greylag goose (Anser anser domesticus) and swan goose (Anser cygnoides domesticus).
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]