The great crested grebe, coot and greylag goose breed here. Ali considered Raj-hamsa as the bar-headed and Kadamb as the greylag goose. The largest is the greylag goose at . The Sebastopol is a breed of domestic goose, descended from the European Greylag goose. Konrad Lorenz made important observations of the greylag goose at the lake. Bird species on the island include Greenland white fronted goose, whooper swan and greylag goose. The greylag goose has become an invasive species in several areas. Most domestic geese are descended from the greylag goose ("Anser anser"). Others originate in Northern Europe, such as the greylag goose ("Anser anser"). "Anser anser", the greylag goose, is a member of the waterfowl family Anatidae. Other common birds at the lake are greylag goose and tufted duck. The greater white-fronted goose ("Anser albifrons") and the greylag goose ("A. anser"). The greylag goose has a flesh-coloured bill and legs, and the upper wing-coverts are bluish-grey.