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)
- Northern Harrier (Square)
- Sharp-shinned Hawk (Square)
- Cooper's Hawk (Square)
- Swainson's Hawk (Hexagon) (Square)
- Ferruginous Hawk (Hexagon) (Square)
- Golden Eagle (Square)
- Peregrine Falcon (Hexagon) (Square)
- Prairie Falcon (Square)
- Gray Partridge (Hexagon) (Square)
- Blue Grouse (Square)
- Ruffed Grouse (Hexagon) (Square)
- Sage Grouse (Square)
- Long-billed Curlew (Hexagon) (Square)
- Wilson's Phalarope (Square)
- Barn Owl (Hexagon) (Square)
- Flammulated Owl (Hexagon) (Square)
- Western Screech-Owl (Square)
- Great Horned Owl (Square)
- Northern Pygmy-Owl (Square)
- Burrowing Owl (Hexagon) (Square)
- Long-eared Owl (Hexagon) (Square)
- Short-eared Owl (Hexagon) (Square)
- Northern Saw-whet Owl (Hexagon) (Square)
- Common Poorwill (Hexagon) (Square)
- White-throated Swift (Hexagon) (Square)
- Calliope Hummingbird (Square)
- Rufous Hummingbird (Square)
- Lewis's Woodpecker (Square)
- Red-naped Sapsucker (Square)
- Downy Woodpecker (Hexagon) (Square)
- Hairy Woodpecker (Square)
- White-headed Woodpecker (Hexagon) (Square)
- Pileated Woodpecker (Hexagon) (Square)
- Olive-sided Flycatcher (Hexagon) (Square)
- Western Wood-Pewee (Square)
- Gray Flycatcher (Square)
- Ash-throated Flycatcher (Square)
- Tree Swallow (Square)
- Gray Jay (Hexagon) (Square)
- Steller's Jay (Square)
- Clark's Nutcracker (Square)
- American Crow (Square)
- Common Raven (Square)
- Black-capped Chickadee (Hexagon) (Square)
- Bushtit (Square)
- Red-breasted Nuthatch (Square)
- Brown Creeper (Square)
- Golden-crowned Kinglet (Hexagon) (Square)
- Ruby-crowned Kinglet (Hexagon) (Square)
- Mountain Bluebird (Square)
- Townsend's Solitaire (Square)
- Swainson's Thrush (Hexagon) (Square)
- Hermit Thrush (Square)
- Loggerhead Shrike (Square)
- Orange-crowned Warbler (Hexagon) (Square)
- Yellow-rumped Warbler (Square)
- Townsend's Warbler (Hexagon) (Square)
- MacGillivray's Warbler (Square)
- Wilson's Warbler (Hexagon) (Square)
- Black-headed Grosbeak (Hexagon) (Square)
- Grasshopper Sparrow (Hexagon) (Square)
- Fox Sparrow (Hexagon) (Square)
- Lincoln's Sparrow (Hexagon) (Square)
- White-crowned Sparrow (Hexagon) (Square)
- Dark-eyed Junco (Square)
- Red Crossbill (Square)
- Pine Siskin (Square)