Eric Heisey:
Cliff Swallow
Eric Heisey:
Swainson's Hawk
Eric Heisey:
Red-Winged Blackbird
Eric Heisey:
Veery
Eric Heisey:
Pacific-Slope Flycatcher
Eric Heisey:
Ruby-crowned Kinglet
Eric Heisey:
Ruby-crowned Kinglet
Eric Heisey:
Purple Finch
Eric Heisey:
Hungry Purple Finch
Eric Heisey:
Dark Morph Rough-legged Hawk
Eric Heisey:
Downy Woodpecker
Eric Heisey:
Merlin
Eric Heisey:
Juvenile Cooper's Hawk
Eric Heisey:
Bald Eagle
Eric Heisey:
Bald Eagle
Eric Heisey:
Red-breasted Merganser
Eric Heisey:
Red-breasted Merganser
Eric Heisey:
Mountain Chickadee
Eric Heisey:
Red-breasted Nuthatch
Eric Heisey:
Red-breasted Nuthatch
Eric Heisey:
Gray Partridge
Eric Heisey:
Horned Larks
Eric Heisey:
Northern Shrike
Eric Heisey:
Rough-legged Hawk
Eric Heisey:
Rough-legged Hawk
Eric Heisey:
Song Sparrow
Eric Heisey:
Black-capped Chickadee
Eric Heisey:
Black-capped Chickadee
Eric Heisey:
The effects of a Gyrfalcon
Eric Heisey:
Rough-legged Hawk
