What is the bird doing?
Remember to watch the birds behavior, as well as helping you make a positive ID it may also alert you to other species. Is it calling to a mate or alerting others to the presence of a predator?.
Some birds walk, swim, or fly in so characteristic a manner that they can be identified solely by their behavior. Behavioral clues can be obvious or subtle. Regardless, they’re helpful in identifying birds under a variety of circumstances.