Keith Olstad:
Northern hawk owl Sax Zim Bog 8152
Keith Olstad:
Northern hawk owl SaxZim Bog 8160
Keith Olstad:
Black-capped chickadee Sax Zim Bog 8131
Keith Olstad:
Boreal chickadee Sax Zim Bog 8114
Keith Olstad:
Boreal chickadee Sax Zim Bog 8144
Keith Olstad:
Boreal chickadee Sax Zim Bog 8118
Keith Olstad:
Common Redpoll, Sax-Zim Bog 8100
Keith Olstad:
Common Redpoll, Sax-Zim Bog 8099
Keith Olstad:
Downy woodpecker Sax Zim Bog 8107
Keith Olstad:
Red squirrel Sax Zim Bog 8113
Keith Olstad:
Evening grosbeak, male, Sax Zim Bog 8185
Keith Olstad:
Evening Grosbeak, first winter, Sax Zim Bog 8176
Keith Olstad:
female Pine grosbeak Sax Zim Bog 8179