Originally Posted By: 4CornersPuddle
Here is an in depth, fascinating read on how birds in particular respond to disturbances, great or small. "What the Robin Knows How Birds Reveal the Secrets of the Natural World" by Jon Young. Young grew up studying with Tom Brown.
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Thanks 4corners! I read all the Tom Brown books and enjoyed them, so I'll pick up a copy of Young's book also.

AL