116. Gurung, S., C. Lattin, R. Robles., V. Sympson, and G. Quigly. 2004. A comparison of counts of migrating Cooper's Hawks at Hawk Mountain Sanctuary and Bake Oven Knob, Pennsylvania, 1961 - 2003. American Hawkwatcher 30:9-16.
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116. Gurung, S., C. Lattin, R. Robles., V. Sympson, and G. Quigly. 2004. A comparison of counts of migrating Cooper's Hawks at Hawk Mountain Sanctuary and Bake Oven Knob, Pennsylvania, 1961 - 2003. American Hawkwatcher 30:9-16.
Download