Each year, especially during late winter and early spring, the Iowa Department of Natural Resources (DNR) receives reports of sick or dead birds at feeder locations. Buckardt Thomas, an avian ecologist for the DNR, says unsanitary conditions at birdfeeders can lead to the spread of several diseases including aspergillosis,, salmonella, and conjunctivitis amongst birds that frequent these feeders.
“Practicing good hygiene at feeder stations is the key,” she said. “Clean birdfeeders and waterers with a 10-percent bleach solution about once each month and make sure the feeder is dry before r