Illustration of a brown and yellow bird on a branch with green leaves with a blue sky and black text along the bottom
As part of a set of 40, this button features a Song Sparrow. Song Sparrows are found throughout North America and vary in appearance from large dark birds in the north to small pale birds in the south. There are 34 recognized sub-species, but they all share the same rounded tail. Song Sparrows can sing as many as 20 different tunes with up to 1,000 improvised variations of the same basic song.