Scientists hang 500 birdhouses in Sax-Zim Bog to study boreal
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Natural Connections: Winter birds at the Sax-Zim Bog - Superior Telegram
Winter Birding At Sax-Zim Bog
Sax-Zim Bog: A Magic Mix : Friends of Sax-Zim Bog
Avian Ecology Lab Natural Resources Research Institute
Boreal Birds Adventure Weekends : Friends of Sax-Zim Bog
Avian Ecology Lab Natural Resources Research Institute
In a Minnesota Bog, a Festival of Birds - The New York Times
Winter Birding at Sax-Zim Bog — Madison Audubon
Birdhouses will help researchers study boreal bird challenges
Boreal Birds Adventure Weekends : Friends of Sax-Zim Bog
Sax-Zim Bog and MN Northwood Trip Report > Burroughs Audubon Society of Greater Kansas City
