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 (Square)
- Sharp-shinned Hawk (Hexagon) (Square)
- Cooper's Hawk (Square)
- Northern Goshawk (Square)
- Swainson's Hawk (Square)
- Golden Eagle (Square)
- Prairie Falcon (Square)
- Chukar (Square)
- Ring-necked Pheasant (Square)
- Sage Grouse (Square)
- California Quail (Square)
- Killdeer (Square)
- Willet (Square)
- Long-billed Curlew (Square)
- Common Snipe (Square)
- Wilson's Phalarope (Square)
- Barn Owl (Square)
- Western Screech-Owl (Square)
- Great Horned Owl (Square)
- Burrowing Owl (Hexagon) (Square)
- Long-eared Owl (Square)
- Short-eared Owl (Square)
- Common Poorwill (Square)
- White-throated Swift (Square)
- Black-chinned Hummingbird (Square)
- Calliope Hummingbird (Square)
- Western Wood-Pewee (Square)
- Say's Phoebe (Square)
- Ash-throated Flycatcher (Square)
- Western Kingbird (Square)
- Eastern Kingbird (Square)
- Horned Lark (Square)
- Violet-green Swallow (Square)
- Cliff Swallow (Square)
- Barn Swallow (Square)
- Black-billed Magpie (Square)
- American Crow (Square)
- Common Raven (Square)
- Bushtit (Square)
- House Wren (Square)
- Blue-gray Gnatcatcher (Square)
- Western Bluebird (Hexagon) (Square)
- Townsend's Solitaire (Square)
- Northern Mockingbird (Square)
- Loggerhead Shrike (Square)
- European Starling (Square)
- Cassin's Vireo (Square)
- Cassin's Vireo (Square)
- Orange-crowned Warbler (Square)
- Black-throated Gray Warbler (Square)
- MacGillivray's Warbler (Square)
- Western Tanager (Square)
- Lark Sparrow (Square)
- Sage Sparrow (Square)
- Savannah Sparrow (Square)
- Grasshopper Sparrow (Hexagon) (Square)
- Pine Siskin (Square)
- Lesser Goldfinch (Square)
- American Goldfinch (Square)