Whooper swan
An adult whooper swan  weighs 9-11 kg. It is 140-160 cm long (including neck and head) and it has a wingspan of 205-235 cm. Young swans are grey-brown. They have a pink and black beak. The young get pale grey in end of their first summer. They get the white adult colour before their second winter. Male and female swans look otherwise similar, but the males are larger.