Seeing a moth seemed to signal that evening was coming, and our thoughts turned to owls. Sax-Zim Bog is famous for hosting rare owls. Last year was an incredible irruption year when great gray owls, boreal owls, and snowy owls visited from their homes farther north. This year has been much quieter. A few great gray owls nest here, but lately they've been secretive. We'd heard that a northern hawk owl was hunting at the edge of a field on some of the private land that makes up the patchwork of ownership in Sax-Zim Bog Important Bird Area in Northern Minnesota, so off we went!