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.
- Northern Harrier (Square)
- Swainson's Hawk (Square)
- Red-tailed Hawk (Square)
- Golden Eagle (Square)
- American Kestrel (Square)
- Prairie Falcon (Square)
- Chukar (Square)
- Ring-necked Pheasant (Hexagon) (Square)
- Sage Grouse (Square)
- Mountain Quail (Hexagon) (Square)
- Killdeer (Square)
- American Avocet (Square)
- Willet (Square)
- Long-billed Curlew (Square)
- Common Snipe (Square)
- Wilson's Phalarope (Hexagon) (Square)
- Barn Owl (Hexagon) (Square)
- Great Horned Owl (Hexagon) (Square)
- Burrowing Owl (Square)
- Long-eared Owl (Hexagon) (Square)
- Short-eared Owl (Square)
- Common Poorwill (Square)
- White-throated Swift (Hexagon) (Square)
- Black-chinned Hummingbird (Square)
- Calliope Hummingbird (Hexagon) (Square)
- Northern Flicker (Hexagon) (Square)
- Dusky Flycatcher (Hexagon) (Square)
- Gray Flycatcher (Hexagon) (Square)
- Say's Phoebe (Hexagon) (Square)
- Ash-throated Flycatcher (Hexagon) (Square)
- Eastern Kingbird (Square)
- Violet-green Swallow (Square)
- Cliff Swallow (Hexagon) (Square)
- Barn Swallow (Square)
- Black-billed Magpie (Square)
- Bushtit (Square)
- Rock Wren (Square)
- Mountain Bluebird (Hexagon) (Square)
- American Robin (Square)
- Northern Mockingbird (Hexagon) (Square)
- Green-tailed Towhee (Square)
- Brewer's Sparrow (Square)
- Vesper Sparrow (Square)
- Savannah Sparrow (Hexagon) (Square)
- Grasshopper Sparrow (Hexagon) (Square)
- Red-winged Blackbird (Square)
- House Finch (Square)
- American Goldfinch (Hexagon) (Square)