Bird songs are plentiful during the spring, but have you ever wondered why do birds sing? Find out the reasons from a bird ...

However, another thing we admire about birds is the sweet songs that they sing. Birds sing for many reasons. They do it to ...

When a bird sings, it can always be heard ... Whooper and Bewick's swans perform a noteable love duet. Nearly every day they confirm and strengthen their bond by a mutual greeting and courtship ...