A sweet bird called doel is the national bird of Bangladesh. Its color
is a mixture of black and white. The doel is small in size and fickle in
movement. In rural area of Bangladesh the doel is frequently seen. One of the brightest
features of the doel is that it has an enchanting whistle
playing off and on. The doel does not fly very high and likes to stay close to the
earth.
It feeds on insects.