As I mentioned in an earlier blog, I spent a couple of years working for the US Forest Service doing Spotted owl surveys. I forgot that I kept a journal of some of those days. What follows is one of them: This bird had been driving us crazy. Four times we had heard this owl at night and four times we had come back the next day to try and find it, only to come up empty. On each of the day visits we spent four hours looking. We hooted and hooted and hooted. On three of the visits we got a response, one answering hoot. We would take an azimuth and hurry over to where the response had come from, only to hear silence for the rest of our visit. So, this was our last chance, the last day of the calling season. This time we brought an army. The entire layout crew came with us, five extra people, seven in all. Monica planned the strategy, like a general designing a plan of attack. She designated a location wh...