Dendroica NatureInstruct | Skip navigation English | Français | Español Dendroica Canada Mexico Caribbean Central America South America About Dendroica Contribute to Dendroica Sign In Dendroica: An aid to identifying Western Hemisphere birds <div class="notice" style="width: 550px; margin: 0px auto; height: auto; padding-top: 4px; margin-bottom: 3px;">This site uses JavaScript. Sign in to use all features First-time users Returning usersLearn more about Dendroica Guest Version Choose country to begin: Version 2013 &nbsp; Hawk Ridge Bird Observatory Fun with Owls! If you are interested in monitoring owls in Minnesota or Wisconsin, or would like additional information, please contact Julie O'Connor (MN) or Ryan Brady (WI). They will contact you about the route, training materials, and datasheets used in the survey. MN Volunteer Coordinator: Julie O'Connor 218.348.2291 joconnor@hawkridge.org WI Volunteer Coordinator: Ryan Brady 715.685.2933 ryan.brady@wisconsin.gov Project Coordinator: Dave Grosshuesch 218.525.7253 dgross@hawkridge.org Owl Calls Common Species Great Horned Owl Barred Owl Northern Saw-whet Owl Uncommon Species Long-eared Owl Short-eared Owl Great Gray Owl Boreal Owl Eastern Screech-Owl Northern Hawk Owl Confusing Species Wilson's (Common) Snipe American Woodcock Ruffed Grouse/Spruce Grouse The Minnesota Frog & Toad Calling Survey (MFTCS) and the Wisconsin Breeding Bird Survey (BBS) already use routes located in the northern forest region. Forms & Instructions You can open the following forms by clicking on the links.