Tweet Today’s post is by Crista Alvey. Crista is a marketing intern for the City of Phoenix through the U.S. Fish and Wildlife Service’s Urban Conservation Treaty for Migratory Birds. She is working to increase awareness of the need to protect migratory birds in urban settings through traditional and social media. Did you know that Rufous hummingbirds migrate enormous distances every year, following the cycles of the flowers and insects they depend upon for food? These little hummers fly from as far south as Central America to as far north as Canada and Alaska. On their way, they may pause…