Keith Olstad:
View of Upper Red Lake from fire tower; Big Bog State Park P1020945
Keith Olstad:
Camper Cabin #5; Big Bog State Park P1020945
Keith Olstad:
Green-winged Teal, male; Ludlow Pool, Big Bog State Park 2326
Keith Olstad:
Bog view at former drainage ditch; boardwalk, Big Bog State Park P1020945
Keith Olstad:
Olive-sided Flycatcher; boardwalk, Big Bog State Park 2588
Keith Olstad:
Olive-sided Flycatcher; boardwalk, Big Bog State Park 2588
Keith Olstad:
Yellow-bellied Flycatcher; boardwalk, Big Bog State Park 2588
Keith Olstad:
Yellow-bellied Flycatcher; boardwalk, Big Bog State Park 2588
Keith Olstad:
Red-eyed Vireo; boardwalk, Big Bog State Park 2506
Keith Olstad:
Golden-winged Warbler; boardwalk, Big Bog State Park 2326
Keith Olstad:
Golden-winged Warbler; boardwalk, Big Bog State Park 2326
Keith Olstad:
Black-and-white Warbler, male; boardwalk, Big Bog State Park 2588
Keith Olstad:
Nashville Warbler; boardwalk, Big Bog State Park 2444
Keith Olstad:
Nashville Warbler; boardwalk, Big Bog State Park 2506
Keith Olstad:
Chestnut-sided Warbler, male; boardwalk, Big Bog State Park 2506
Keith Olstad:
Chestnut-sided Warbler, male; boardwalk, Big Bog State Park 2548
Keith Olstad:
Palm Warbler; boardwalk, Big Bog State Park 2506
Keith Olstad:
Palm Warbler; boardwalk, Big Bog State Park 2444
Keith Olstad:
Palm Warbler; boardwalk, Big Bog State Park 2326
Keith Olstad:
Palm Warbler; boardwalk, Big Bog State Park 2548
Keith Olstad:
Yellow-rumped Warbler, male; boardwalk, Big Bog State Park 2588
Keith Olstad:
Dark-eyed Junco, male; boardwalk, Big Bog State Park 2506
Keith Olstad:
Dark-eyed Junco, male; boardwalk, Big Bog State Park 2548
Keith Olstad:
White-throated Sparrow; boardwalk, Big Bog State Park 2326
Keith Olstad:
White-throated Sparrow; boardwalk, Big Bog State Park 2548
Keith Olstad:
Savannah Sparrow; boardwalk, Big Bog State Park 2444
Keith Olstad:
Savannah Sparrow; boardwalk, Big Bog State Park 2444
Keith Olstad:
Lincoln's Sparrow; boardwalk, Big Bog State Park 2548
Keith Olstad:
Purple Finch, male; boardwalk, Big Bog State Park 2588
Keith Olstad:
American Goldfinch, male; boardwalk, Big Bog State Park 2506
