These are species that were predicted to breed in the hex or square,
based on habitat and geographic range,
but they were not found. The list specifies Hexagon to indicate
the species was predicted to occur in the hexagon and Square
to indicate it was predicted to occur in the square.
- Turkey Vulture (Square)
- Osprey (Square)
- Bald Eagle (Hexagon) (Square)
- Sharp-shinned Hawk (Square)
- Cooper's Hawk (Square)
- Northern Goshawk (Square)
- Red-tailed Hawk (Square)
- Peregrine Falcon (Square)
- Blue Grouse (Square)
- Ruffed Grouse (Square)
- Mountain Quail (Square)
- Band-tailed Pigeon (Hexagon) (Square)
- Western Screech-Owl (Square)
- Great Horned Owl (Square)
- Northern Pygmy-Owl (Square)
- Spotted Owl (Square)
- Barred Owl (Hexagon) (Square)
- Northern Saw-whet Owl (Hexagon) (Square)
- Common Nighthawk (Square)
- Vaux's Swift (Square)
- Rufous Hummingbird (Square)
- Red-breasted Sapsucker (Square)
- Pileated Woodpecker (Square)
- Olive-sided Flycatcher (Square)
- Western Wood-Pewee (Square)
- Hammond's Flycatcher (Square)
- Dusky Flycatcher (Square)
- Western Flycatcher (Square)
- Tree Swallow (Square)
- Violet-green Swallow (Square)
- Gray Jay (Square)
- Black-capped Chickadee (Square)
- Mountain Chickadee (Square)
- Chestnut-backed Chickadee (Square)
- Red-breasted Nuthatch (Square)
- Bewick's Wren (Square)
- House Wren (Square)
- Golden-crowned Kinglet (Square)
- Townsend's Solitaire (Square)
- Swainson's Thrush (Square)
- American Robin (Square)
- Varied Thrush (Square)
- Cedar Waxwing (Square)
- European Starling (Square)
- Cassin's Vireo (Square)
- Orange-crowned Warbler (Square)
- Nashville Warbler (Square)
- Yellow-rumped Warbler (Square)
- Black-throated Gray Warbler (Square)
- Hermit Warbler (Square)
- MacGillivray's Warbler (Square)
- Wilson's Warbler (Square)
- Black-headed Grosbeak (Square)
- Fox Sparrow (Square)
- Song Sparrow (Square)
- Brown-headed Cowbird (Square)
- Purple Finch (Square)
- Red Crossbill (Square)
- Pine Siskin (Square)
- Evening Grosbeak (Square)