By Nora Hanke Car-based winter raptor surveys have engaged a subset of HMANA members since at least the 1990s, and our database holds records for surveys that date back to the 2004-’05 season. The first surveys in our project were conducted in the states of...
December through early March is Winter Raptor Survey (WRS) season. HMANA has recently revised our WRS guidelines to simplify recording and insure that collected data are scientifically useful for analysis. Find detailed description of WRS, recording suggestions, and...
