Barnacle goose were of the same nature as other birds. The question of the nature of barnacle geese also came up as a matter of Jewish dietary law in the Halakha, and Rabbeinu Tam (1100–71) determined that they were kosher (even if born of trees) and should be slaughtered following the normal prescriptions for birds. The mythical barnacle tree, believed in the Middle Ages to have barnacles that opened to reveal geese, may have a similar origin to the other legends already mentioned. Barnacle goose The barnacle goose ("Branta leucopsis") belongs to the genus "Branta" of black geese, which contains species with
Borka: The Adventures of a Goose with No Feathers Borka: The Adventures of a Goose with No Feathers Borka: The Adventures of a Goose With No Feathers is a children's picture book written and illustrated by John Burningham and published by Jonathan Cape in 1963. It features a goose born without feathers, whose mother knits a jersey that helps in some ways. "Borka" was Burningham's first published book as an author or illustrator. For it he won the 1963 Kate Greenaway Medal from the Library Association, recognising the year's best children's book illustration by a British subject. For the 50th anniversary of the Medal (1955–2005), a panel of experts