The West River Migration Count,  takes place May 12-15, Fri - Mon. This was a national count years ago, and local folks have maintained the long-term count. The following counties participate: Harding, Butte, , […]

International Migratory Bird Day - is the second Saturday of every May. PHAS will celebrate it with our annual spring field trip to La Creek National Wildlife Refuge on 5/13/23. […]

Field Trip to La Creek National Wildlife Refuge, May 13th This is an annual event that Prairie Hills Audubon Society and Black Hills Group of Sierra Club sponsor every May […]