Birds are not static objects, they move, hop, jump, walk and fly around the countryside. Getting to know a birds giz can be very useful in helping you narrow down your options. Does it walk up trees or flit from branch to branch. Read up on, and observe, different flight patterns, birds fly in many different ways, watch them sometime you will be amazed. Watching birds fly is often an inspiring experience.
Some birds make song flights always in a specific form, hovering or descending in a particular way.
Other birds sing from definite parts of a tree, some from the top some from lower down, some form within the shrubbery. Remember birds migrate so sometime they are only in your area for a few months of the year. Birds are often far away, relative to our eyesight. For this reason binoculars and birdwatching telescopes are readily available. Sometimes the choice is bewildering and the advice confusing.