1. Conservation Department, The Toledo Zoo and Aquarium, Toledo, Ohio 43614 USA [matt.cross@toledozoo.org; jennifer.mayer@toledozoo.org; tjbreymaier@yahoo.com; kent.bekker@toledozoo.org]
2. Alpena Fish and Wildlife Conservation Office – Detroit River Substation, US Fish and Wildlife Service, 5437 West Jefferson Avenue, Trenton, Michigan 48183 USA [justin_chiotti@fws.gov]