R. Todd Engstrom,¹ Daniel D. Roby,² Jon S. Greenlaw<sup>1

1</sup>Tall Timbers Research Station, Tallahassee, Florida, USA engstrom@bio.fsu.edu
²U.S. Geological Survey–Oregon Cooperative, Fish and Wildlife Research Unit, Department of Fisheries and Wildlife, Oregon State University, Corvallis, Oregon daniel.roby@oregonstate.edu