Upland goose

Description

The male has a white head and chest,while the female,brown with wings streaked with black and yellow feet,looks very much like the goose-headed goose,with which she is often confused.It measures 60-72.5 cm in length and weighs 2.7-3.2 kg.Because of having a membrane residue between the fingers is mentioned in the sixth chapter of the Origin of Species.