By Ron Reid

After my recent article in ON Nature about the cooperation between Ontario cattlemen and conservationists to save the bobolink, readers contacted me to find out if there was a way of actually locating the nests in hay/grass fields. Some had watched their hayfields for years, and had always seen bobolinks, but never been able to find the nests of this rare species. The farmers wondered if they would need to change how they cultivate an entire crop if birds are believed to be nesting a particular section of their fields.

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