Even with the recent spate of
summery weather, there are plenty of telltale signs that fall is here. Bright
red and yellow leaves, earlier sunsets, pumpkins and the flocks of birds crossing
the skies. All of which means it’s time for the fall migration bird show.
Self-proclaimed "bird diva" Bridget Butler joins us to explore mysterious bird
calls and bird behavior, explain how birds know when to migrate and the science
behind the tell-tale V of Canada geese in migration.