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)
- Ferruginous Hawk (Hexagon) (Square)
- Golden Eagle (Square)
- Prairie Falcon (Square)
- Chukar (Square)
- Ring-necked Pheasant (Square)
- Sage Grouse (Square)
- Willet (Hexagon) (Square)
- Long-billed Curlew (Square)
- Common Snipe (Square)
- Wilson's Phalarope (Square)
- Barn Owl (Hexagon) (Square)
- Great Horned Owl (Square)
- Long-eared Owl (Hexagon) (Square)
- Short-eared Owl (Square)
- Common Poorwill (Hexagon) (Square)
- White-throated Swift (Hexagon) (Square)
- Black-chinned Hummingbird (Hexagon) (Square)
- Calliope Hummingbird (Hexagon) (Square)
- Rufous Hummingbird (Hexagon) (Square)
- Dusky Flycatcher (Hexagon) (Square)
- Eastern Kingbird (Square)
- Violet-green Swallow (Hexagon) (Square)
- Green-tailed Towhee (Hexagon) (Square)
- Sage Sparrow (Hexagon) (Square)
- Savannah Sparrow (Square)
- Grasshopper Sparrow (Hexagon) (Square)