A hummingbird zips around the yard visiting one colorful flower after the next. A Robin sings from the top of the fruit tree. A phoebe darts from a branch to catch an insect in flight. Birds are all around us, and whether we think about it or not, we need them. From pollination and seed dispersal, to pest control and their beautiful sights and sounds, birds benefit humans every day. Sadly, a new study in the journal Science found that North America has lost approximately 2.9 billion birds since 1970, equivalent to 1 in every 4 birds gone...
