Greylag goose the western greylag goose, breeds in Iceland and north and central Europe; "A. a. rubrirostris", the eastern greylag goose, breeds in Romania, Turkey and Russia eastwards to northeastern China. The two subspecies intergrade where their ranges meet. The greylag goose sometimes hybridises with other species of goose including the barnacle goose ("Branta leucopsis") and the Canada goose ("Branta canadensis"), and occasionally with the mute swan ("Cygnus olor"). The greylag goose was one of the first animals to be domesticated; this happened at least 3000 years ago in Ancient Egypt, the domestic breed being known as "A. a. domesticus". As the
Green pygmy goose Green pygmy goose The green pygmy goose ("Nettapus pulchellus") is a small perching duck which breeds in southern New Guinea and northern Australia. First described in 1842 by the ornithologist John Gould, its specific name is derived from diminutive of the Latin adjective "pulcher" "pretty". It is one of three species in the Afro-Asian genus "Nettapus", an ancient and unusual group of ducks. No subspecies are recognised. Ranging from in length, it is one of the smallest species of duck. It has a wingspan. It has a small bill and compact form. The breeding male has a predominantly dark green