Illustration of a white swan on blue water with green in the background and white text
As a part of a set of 40, this button features a swan. There are 6 different species of swans and swans are one of the largest flying birds. They can live for approximately 20 to 30 years and mate for life. Swans have over 25,000 feathers on their bodies. Male swans are called cobs while females are called pens. Because of their large size they have few natural predators. Their main predators are humans who hunt them for their meat and feathers.