For those who are participating in FeederWatch 2016-2017 and those who are just interested in improving their bird identification skills, here is a set of videos on the 4 basic keys to bird identification from the Cornell Lab of Ornithology’s Bird Academy.
Inside Birding: Size & Shape | Bird Academy * The Cornell Lab
Inside Birding: Color Pattern | Bird Academy * The Cornell Lab
Inside Birding: Understanding Behavior | Bird Academy * The Cornell Lab