Keith Olstad:
Blue-winged Teal, male, Sherburne NWR 9156
Keith Olstad:
Trumpeter Swan, Sherburne NWR 9209
Keith Olstad:
Trumpeter Swan, Sherburne NWR 8995
Keith Olstad:
Trumpeter Swan, Sherburne NWR 9002
Keith Olstad:
Trumpeter Swan, Sherburne NWR 9007
Keith Olstad:
Sandhill Crane family, Sherburne NWR 9143
Keith Olstad:
Black Tern, Sherburne NWR 9101
Keith Olstad:
Black Tern, Sherburne NWR 9193
Keith Olstad:
Black Tern, Sherburne NWR 9053
Keith Olstad:
Black-billed Cuckoo, Sherburne NWR 9133
Keith Olstad:
Eastern Kingbird, Sherburne NWR 9179
Keith Olstad:
Golden-winged Warbler, male, Sherburne NWR 9010
Keith Olstad:
Golden-winged Warbler, male, Sherburne NWR 9011
Keith Olstad:
Grasshopper Sparrow, Sherburne NWR 9129
Keith Olstad:
Grasshopper Sparrow, Sherburne NWR 9120
Keith Olstad:
Grasshopper Sparrow, Sherburne NWR 9026
Keith Olstad:
Grasshopper Sparrow, Sherburne NWR 9112
Keith Olstad:
Red-winged Blackbird, male, Sherburne NWR 8961