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)
- Red-tailed Hawk (Square)
- Ferruginous Hawk (Square)
- Golden Eagle (Square)
- American Kestrel (Square)
- Prairie Falcon (Square)
- Chukar (Square)
- Ring-necked Pheasant (Hexagon) (Square)
- Sage Grouse (Square)
- California Quail (Hexagon) (Square)
- Willet (Hexagon) (Square)
- Long-billed Curlew (Hexagon) (Square)
- Common Snipe (Hexagon) (Square)
- Wilson's Phalarope (Hexagon) (Square)
- Barn Owl (Hexagon) (Square)
- Great Horned Owl (Hexagon) (Square)
- Burrowing Owl (Hexagon) (Square)
- Long-eared Owl (Square)
- Short-eared Owl (Square)
- Common Nighthawk (Square)
- Common Poorwill (Square)
- Black-chinned Hummingbird (Hexagon) (Square)
- Calliope Hummingbird (Hexagon) (Square)
- Northern Flicker (Square)
- Dusky Flycatcher (Square)
- Say's Phoebe (Square)
- Ash-throated Flycatcher (Hexagon) (Square)
- Western Kingbird (Square)
- Eastern Kingbird (Hexagon) (Square)
- Violet-green Swallow (Square)
- Barn Swallow (Hexagon) (Square)
- Black-billed Magpie (Hexagon) (Square)
- Bushtit (Hexagon) (Square)
- Mountain Bluebird (Square)
- American Robin (Square)
- Loggerhead Shrike (Square)
- Green-tailed Towhee (Square)
- Grasshopper Sparrow (Hexagon) (Square)
- American Goldfinch (Hexagon) (Square)