Keith Olstad:
Bald Eagle, pre-adult; Frontenac State Park, Frontenac, MN 4365
Keith Olstad:
American White Pelicans; Frontenac State Park, Frontenac, MN 4443
Keith Olstad:
Barred Owl 4443
Keith Olstad:
Tree Swallow; Frontenac State Park, Frontenac, MN 4443
Keith Olstad:
Northern Rough-winged Swallow; Frontenac State Park, Frontenac, MN 4389
Keith Olstad:
Ruby-throated Hummingbird; Frontenac State Park, Frontenac, MN 4365
Keith Olstad:
Blue-gray Gnatcatcher; Frontenac State Park, Frontenac, MN 4443
Keith Olstad:
Blue-winged Warbler; Frontenac State Park, Frontenac, MN 4389
Keith Olstad:
Blue-winged Warbler; Frontenac State Park, Frontenac, MN 4365
Keith Olstad:
Prothonotary Warbler; Frontenac State Park, Frontenac, MN 4389
Keith Olstad:
Prothonotary Warbler; Frontenac State Park, Frontenac, MN 4389
Keith Olstad:
Prothonotary Warbler; Frontenac State Park, Frontenac, MN 4389
Keith Olstad:
Prothonotary Warbler; Frontenac State Park, Frontenac, MN 4443
Keith Olstad:
Blue Jay; Frontenac State Park, Frontenac, MN 4389
Keith Olstad:
Clay-colored Sparrow; Frontenac State Park, Frontenac, MN 4443
Keith Olstad:
Field Sparrow; Frontenac State Park, Frontenac, MN 4389
Keith Olstad:
Field Sparrow, blind right eye; Frontenac State Park, Frontenac, MN 4365
Keith Olstad:
Chipping Sparrow; Frontenac State Park, Frontenac, MN 4443
Keith Olstad:
Baltimore Oriole, male; Frontenac State Park, Frontenac, MN 4389