Snake River Birds of Prey National Conservation Area
Snake River Canyon
Kuna, ID
A stretch of lava-rimmed river canyon that holds the densest population of nesting eagles, hawks, and falcons in North America.
Along eighty-some miles of the Snake River canyon south of Boise lives the densest population of nesting birds of prey in North America, and perhaps the world. Roughly eight hundred pairs of eagles, hawks, falcons, and owls raise their young each spring in the pockets and ledges of the canyon's lava cliffs, hunting out over the sagebrush plateau above.
The star is the prairie falcon. This single stretch of canyon hosts the highest breeding concentration of prairie falcons anywhere, on the order of a couple hundred pairs. The whole place works because of a quiet miracle underfoot: an enormous population of ground squirrels and other small prey that the cliffs and the climate happen to support in extraordinary numbers.
What Travelers Love
- Watching prairie falcons, eagles, hawks, and owls hunt and nest along the canyon cliffs
- The overlook at Dedication Point, a short walk to a dramatic bend in the Snake River canyon
- Spring, when the raptors are nesting and the desert is briefly green and alive
- The sheer density of birds of prey, unmatched anywhere else on the continent
Worth Knowing
- This is open high desert with little shade; bring water, sun protection, and binoculars
- The best raptor viewing is roughly March through June; summer heat is intense and the birds disperse
- Roads into the canyon can be rough or seasonally closed, so check conditions before venturing off the main routes
- Give nesting birds distance; getting close enough to flush them from a cliff can cost a nest
Learn about Snake River Birds of Prey National Conservation Area
Why the birds are here
Three things line up here that rarely line up anywhere else. The Snake River has cut a deep canyon with sheer basalt cliffs full of ledges and cavities, ideal nesting shelves safe from predators. The plateau above is a sea of sagebrush and grass. And that plateau supports a huge prey base, especially Piute ground squirrels and black-tailed jackrabbits, that emerges in spring exactly when the raptors need to feed their young.
So the cliffs give the birds a place to nest and the plateau gives them a place to hunt, side by side. The result is a concentration of raptors that scientists have studied for decades and that has no equal on the continent.
The area was set aside in stages and formally established as a National Conservation Area in 1993. It was later renamed for Morley Nelson, a pioneering falconer and raptor advocate who championed its protection and spent his life teaching people to value birds of prey.
The raptors you may see
Prairie falcons are the signature bird, but the canyon also holds golden eagles, red-tailed and ferruginous and Swainson's hawks, American kestrels, northern harriers, and owls including the great horned. Turkey vultures ride the thermals as well. In all, more than a dozen species of raptor use the canyon.
Overlooks like Dedication Point put you at eye level with hunting birds working the rim. Bring binoculars and patience; on a good spring morning the sky over the canyon is rarely empty for long.
The desert and the river
Away from the birds, this is a classic cold desert of big sagebrush and native bunchgrass, though invasive cheatgrass and wildfire have reshaped much of it. The Snake River itself runs green and slow at the canyon bottom, with cottonwoods and willows along its banks.
Beyond the raptors, the plateau holds pronghorn, mule deer, coyotes, and a long list of smaller desert life, from lizards to the ground squirrels that make the whole system run.
When to go
Spring is the season, roughly March into June, when the raptors are courting, nesting, and feeding young and the desert briefly greens up. That is when the birds are most numerous and most active near their cliffs.
Summer brings brutal heat and disperses many of the birds; winter is cold and quiet. Whenever you come, go early in the day for cooler air, softer light, and the best chance of watching a falcon on the wing.
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Details
Kuna, ID
Frequently asked questions
What is the Snake River Birds of Prey National Conservation Area?
The Snake River Birds of Prey National Conservation Area, along the Snake River south of Boise in southwestern Idaho, protects one of the densest concentrations of nesting birds of prey in the world. The dramatic canyon and surrounding desert provide ideal habitat and abundant prey, drawing large numbers of eagles, hawks, falcons, owls, and other raptors that nest in the canyon cliffs, especially in spring. Visitors come to watch these magnificent birds, hike, and take in the canyon scenery. Officially known as the Morley Nelson conservation area, it is a raptor lover's paradise. With its remarkable birds of prey and canyon scenery, the conservation area offers a spectacular destination in Idaho.
When can you see birds of prey at the conservation area?
Spring, roughly March through June, is the prime time to see the birds of prey at the Snake River Birds of Prey National Conservation Area, when the raptors are nesting in the canyon cliffs and are most active and visible, hunting the abundant prey of the surrounding desert. This is when eagles, hawks, falcons, owls, and other raptors gather in remarkable numbers. Bringing binoculars greatly enhances viewing, and some overlooks offer good vantage points. For the best raptor viewing during the nesting season, aim for spring at the Snake River Birds of Prey National Conservation Area in Idaho.
What can you do at the Snake River Birds of Prey National Conservation Area?
You can watch for the many birds of prey, especially during the spring nesting season, hike and explore the canyon and desert, take in views of the Snake River Canyon, boat or float the river, and enjoy the scenery and wildlife. Birdwatching for raptors is the main draw, best with binoculars and patience. The dramatic canyon and desert setting adds to the experience. With its world-class raptor viewing, canyon scenery, and recreation, the Snake River Birds of Prey National Conservation Area offers a rewarding outdoor experience south of Boise in Idaho.
What should I know before visiting the Snake River Birds of Prey National Conservation Area?
The area is high desert with hot summers, strong sun, and little shade, so bring plenty of water and sun protection, and some access roads are unpaved and can be rough. Bring binoculars for the best bird viewing, and observe the raptors from a respectful distance without disturbing nests. Watch for snakes and be prepared for a remote, undeveloped setting away from services. Coming prepared for the desert conditions and respecting the nesting birds ensure a rewarding visit to the Snake River Birds of Prey National Conservation Area in Idaho.
What is near the Snake River Birds of Prey National Conservation Area?
The Snake River Birds of Prey National Conservation Area is along the Snake River south of Boise in southwestern Idaho, within reach of Boise with its greenbelt and zoo, Bruneau Dunes State Park, and the Snake River Plain. That makes the conservation area a spectacular stop to combine with the Boise attractions, Bruneau Dunes State Park, and the other sights of southwestern Idaho on a visit to the state.
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