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)
- Northern Harrier (Hexagon) (Square)
- Swainson's Hawk (Hexagon) (Square)
- Red-tailed Hawk (Square)
- Golden Eagle (Square)
- American Kestrel (Square)
- Prairie Falcon (Square)
- Chukar (Square)
- Ring-necked Pheasant (Hexagon) (Square)
- California Quail (Hexagon) (Square)
- Killdeer (Square)
- Willet (Hexagon) (Square)
- Long-billed Curlew (Hexagon) (Square)
- Common Snipe (Hexagon) (Square)
- Mourning Dove (Square)
- Barn Owl (Hexagon) (Square)
- Great Horned Owl (Hexagon) (Square)
- Burrowing Owl (Hexagon) (Square)
- Long-eared Owl (Hexagon) (Square)
- Short-eared Owl (Hexagon) (Square)
- Common Nighthawk (Square)
- Common Poorwill (Square)
- White-throated Swift (Hexagon) (Square)
- Black-chinned Hummingbird (Hexagon) (Square)
- Calliope Hummingbird (Hexagon) (Square)
- Northern Flicker (Hexagon) (Square)
- Gray Flycatcher (Square)
- Ash-throated Flycatcher (Hexagon) (Square)
- Western Kingbird (Hexagon) (Square)
- Eastern Kingbird (Hexagon) (Square)
- Violet-green Swallow (Square)
- Cliff Swallow (Square)
- Barn Swallow (Hexagon) (Square)
- Black-billed Magpie (Hexagon) (Square)
- Bushtit (Hexagon) (Square)
- Mountain Bluebird (Square)
- American Robin (Square)
- Northern Mockingbird (Hexagon) (Square)
- Loggerhead Shrike (Square)
- Green-tailed Towhee (Square)
- Lark Sparrow (Hexagon) (Square)
- Black-throated Sparrow (Square)
- Savannah Sparrow (Hexagon) (Square)
- Grasshopper Sparrow (Hexagon) (Square)
- Western Meadowlark (Square)
- Brewer's Blackbird (Square)
- Brown-headed Cowbird (Square)
- American Goldfinch (Hexagon) (Square)