Book Review: What the Robin Knows
...ets of bird sounds and bird motion you see and hear in that place, at that time or day, at that time of year. To facilitate this recognition, he teaches you the five basic types of calls birds make (alarm calls, companion calls, etc.), using online audio files to help with the most common birds. He goes on to teach about behavior, predators, etc. Once you understand the baseline you will be able to tell when the baseline is disturbed, and eventual...