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I have been interested in nature for most of my life but since I retired I spend as much time as I can exploring the nature reserves and wildlife hotspots of my adopted home, Dorset in southern England. Whilst out I record what I see and take snaps where I can (I am no photographer!) and that forms the basis of my Nature of Dorset website. When I find something new I like to research it and write about it in my nature notes, it is how I learn and hopefully you might find my notes helpful as well!

This website is for the people of Dorset interested in wildlife and for people from elsewhere interested in the wildlife of Dorset!

03 August, 2016

Greylag Goose: back to the wild



As with the pheasant it is difficult to discern whether the greylag geese (Anser anser) one sees in Dorset are truly wild birds. The term feral is probably more accurate meaning according to my dictionary of "existing in the wild having once been domesticated". Two things are certainly true; pure bred greylags do come to the British Isles in winter in severe weather but, like some other species, they rarely venture this far south. Secondly, greylags are the ancestors of virtually all forms of domesticated geese.
It seems likely that the Dorset greylags, then, are descended from farmyard birds that have 'gone wild'! Gradually they have returned to their normal state over generations having lost special features bred into a farmyard species. Geese were once very commonly kept on farms and small holdings but not so now so and so plenty of scope scope for them to wander off.
Even feral greylags are not seen that often in Dorset occurring most often on larger expanses of fresh water. Where they do occur they tend to be resident and living in colonies. Poole Park has a population of a couple of dozen for example.
Greylag Goose: back to the wild