Black Canyon of the Gunnison National Park Bingo

Listen for the descending whistle on a cliff ledge. The song usually comes before the bird.

Its song is a sweet, descending whistle that may be the only sign the bird is there.

A big, slow grouse that would rather walk into the brush than fly.

NPS lists it as a year-round resident of Black Canyon.

The scrub oak that makes thickets across the rim.

Gambel oak and mixed montane shrubland is the park's most common vegetation class, about 29 percent of the map area.

Big ears and a black-tipped tail, usually at the edge of the brush.

Mule deer are named for their ears, which are about three-quarters as long as their whole head. Those big ears catch faraway sounds and also let heat escape to keep the deer cool in the desert.

A tan herd animal with a dark neck. Look across the open ground at dawn or dusk.

Only the bulls grow antlers, and they grow fast, up to an inch a day, then drop off each winter and start over in spring.

Curled horns on a climber above the rim.

A ram's two curled horns can weigh up to 30 pounds together, about as much as a big bag of dog food, and he carries them on his head his whole life.

The fastest bird, nesting on a cliff ledge. Watch for a fast, pointed shape.

A peregrine falcon's stoop is so fast that the bird's own nostrils have small bony tubercles inside them, baffles that slow the rush of air so it can still breathe during the dive.

A scraggly evergreen with blue-gray berries on the dry rim.

At Craters of the Moon, Utah juniper grows in the park's lower-elevation lava country, alongside the more dominant Rocky Mountain juniper.

Pink stripes in the tallest cliff in Colorado.

At 2,250 feet from river to rim, Painted Wall is the tallest cliff in Colorado per NPS.

The narrowest look into the gorge from the South Rim.

The South Rim overlook with the most direct line across the canyon at its sheerest, looking toward Painted Wall and down to the river roughly 1,800 feet below.

Find the river at the bottom of the gorge.

The river is why the canyon is here and why it is dark.

Pink pegmatite cutting dark gneiss in the canyon wall.

The geology lesson the canyon teaches without a word.

The 7-mile road from Tomichi Point to High Point, past 12 drivable overlooks.

The family default.

The far west end of the drive and the view above the river.

The far west end of the drive and its payoff view, reached by the Warner Point Nature Trail, 0.8 mile one-way.

The one maintained trail that drops below the rim. Capable older kids only.

The only maintained trail that drops below the rim, 1.6 miles as a loop per NPS, rated moderately strenuous, descending roughly 400 feet [NEEDS FACT-CHECK].

A flat rim walk from the campground, signed and easy to follow.

The kid-default walk.

Start here for the first look into the gorge.

Finish the packet and show it to a ranger.

Stop at a pullout and walk to the rail.

Find a numbered post on the Warner Point trail and read the guide.

Spot the Gunnison from the rim and frame it between the walls.

Wait for the fog to take the canyon, then catch the far wall coming back.

Look for snow on the peaks above the canyon after a storm.

Stay after dark and find the stars over the rim.