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)
- Swainson's Hawk (Square)
- Ferruginous Hawk (Square)
- Golden Eagle (Square)
- Prairie Falcon (Square)
- Chukar (Square)
- Ring-necked Pheasant (Square)
- Sage Grouse (Square)
- California Quail (Square)
- Mountain Quail (Hexagon) (Square)
- Killdeer (Square)
- Willet (Hexagon) (Square)
- Long-billed Curlew (Square)
- Wilson's Phalarope (Hexagon) (Square)
- Barn Owl (Hexagon) (Square)
- Great Horned Owl (Square)
- Long-eared Owl (Hexagon) (Square)
- Common Poorwill (Hexagon) (Square)
- White-throated Swift (Hexagon) (Square)
- Black-chinned Hummingbird (Hexagon) (Square)
- Rufous Hummingbird (Square)
- Say's Phoebe (Hexagon) (Square)
- Ash-throated Flycatcher (Hexagon) (Square)
- Western Kingbird (Square)
- Eastern Kingbird (Hexagon) (Square)
- Horned Lark (Hexagon) (Square)
- Cliff Swallow (Square)
- Barn Swallow (Square)
- Black-billed Magpie (Square)
- Common Raven (Square)
- Bushtit (Hexagon) (Square)
- Sage Thrasher (Hexagon) (Square)
- Loggerhead Shrike (Hexagon) (Square)
- Lark Sparrow (Hexagon) (Square)
- Sage Sparrow (Hexagon) (Square)
- Savannah Sparrow (Hexagon) (Square)
- Grasshopper Sparrow (Hexagon) (Square)
- House Finch (Hexagon) (Square)