Dennis Derby:
Female Wilson's Warbler
Dennis Derby:
Female Redwinged blackbird - lake park WI
Dennis Derby:
Northern Parula Lake Park
Dennis Derby:
Red winged black bird - Horicon Marsh
Dennis Derby:
barn swallow horicon marsh
Dennis Derby:
chipping sparrow - lake park
Dennis Derby:
American robin - lake park
Dennis Derby:
Tennessee warbler - lake park
Dennis Derby:
Common Merganser grooming
Dennis Derby:
GKCspider copy
Dennis Derby:
Tennessee Warbler - Lake Park
Dennis Derby:
Northern Parula
Dennis Derby:
Nashville Warbler Lake Park
Dennis Derby:
Yellow bellied sapsucker
Dennis Derby:
American Goldfinch
Dennis Derby:
American Goldfinch
Dennis Derby:
Cape May Warbler
Dennis Derby:
Blackpoll Warbler
Dennis Derby:
Ruby crowned kinglet at Lake Park
Dennis Derby:
Yellow bellied sapsucker at Lake Park, Milwaukee
Dennis Derby:
horned grebe 2015
Dennis Derby:
Brown Creeper
Dennis Derby:
Male common merganser - Lake Michigan
Dennis Derby:
Offering
Dennis Derby:
Female Greater Scaup in flight over Lake Michigan
Dennis Derby:
Rose breasted grosbeak - 1YM
Dennis Derby:
ruby throated hummingbird Lake Park
Dennis Derby:
Female mourning warbler - lake park ravine
Dennis Derby:
American Goldfinch
Dennis Derby:
American redstart lake park
