Erie Shores Birding Association
Birding Together Since 1986
Ottawa National Wildlife Refuge Association
Rouge River Bird Observatory
Michigan Rare Bird Alert
Black Swamp Bird Observatory
Southeastern Michigan Raptor Research
Whitefish Point Bird Observatory
American Birding Association
Hawk Migration Association of North America
Southeastern Michigan Birding
Bird Checklist for Pte. Mouillee State Game Area
Northern Michigan Birding
Michigan Hummer Net
Partners in Flight
The Virtual Birder
National Audubon Society
