SAN LUIS VALLEY
American Avocet and other shorebirds at Blanca Wetlands, San Luis Valley, Colorado
American White Pelican at San Luis Lake next to Great Sand Dunes National Park, San Luis Valley, Colorado
Ancient matate discovered at Great Sand Dunes National Park, Medano Ranch, San Luis Valley, Colorado. (Dunes094)
Elk (Cervus elaphus) herd on Medano Ranch, Great Sand Dunes National Park, San Luis Valley, Colorado
Bison bulls in front of Sand Dunes, sand dunes, San Luis Valley, Colorado
Bison Herd in front of sand dunes, sand dunes, San Luis Valley, Colorado
Bison bulls in front of Sand Dunes, sand dunes, San Luis Valley, Colorado
Bison Herd on frosty morning, Medano Ranch, Great Sand Dunes National Park, San Luis Valley, Colorado
-25F degrees shows the song in the air from a backlit Red-winged Blackbird. Monte Vista National Wildlife Refuge, San Luis Valley, Colorado
Broad-tailed Hummingbird feeding at Rocky Mountain Bee Plant (Cleome serrulata) at Great Sand Dunes National Park in Colorado's San Luis Valley
Coyote Tracks and Prairie Sunflower at Great Sand Dunes National Park, sand dunes, San Luis Valley, Colorado
Dramatic Cumulus Clouds over the San Luis Valley, Colorado
Elk (Cervus elaphus) herd on Medano Ranch, Great Sand Dunes National Park, San Luis Valley, Colorado
Great Blue Heron in wetlands near Great Sand Dunes National Park, sand dunes, San Luis Valley, Colorado
Flock of Sandhill Cranes parachuting in for a landing at sunset, San Luis Valley, Colorado
Interdunal wetlands adjacent to coppice dunes, Medano Ranch, Great Sand Dunes National Park, Colorado. (Dunes046)
Long-billed Dowitcher, Blanca Wetlands, San Luis Valley, Colorado
A marsh wren sings a territorial song in a Valley wetland.
Migrating female western phalaropes stopping over at Blanca Wetlands, San Luis Valley, Colorado
Herd of Mule Deer bucks (Odocoileus hemionus) in prairie sunflowers at Great Sand Dunes National Park, San Luis Valley, Colorado
Mule Deer (Odocoileus hemionus) in prairie sunflowers, Great Sand Dunes National Park, San Luis Valley, Colorado
Mule Deer (Odocoileus hemionus) tracks filled with narrow-leaf cottonwood leaves in autumn. Great Sand Dunes National Park, San Luis Valley, Colorado
Northern Pintail Ducks and Greater Sandhill Cranes during spring migration. Monte Vista National Wildlife Refuge, San Luis Valley, Colorado
Rio Grande below Sangre de Cristo Mountains, The Rio Grande originates at the north end of the San Luis Valley, Colorado
Sand Creek, Great Sand Dunes National Park, San Luis Valley, Colorado. (Dunes090)
Flock of Sandhill Cranes migrating through the San Luis Valley in spring. Monte Vista National Wildlife Refuge, Colorado
Greater Sandhill Cranes leave night roost as sun rises through fog. Monte Vista National Wildlife Refuge, San Luis Valley, Colorado
Sand Treader, Camel Cricket, Great Sand Dunes National Park, San Luis Valley, Colorado
"Baskets" on legs of Sand Treader Camel Cricket, Great Sand Dunes National Park, San Luis Valley, Colorado
Short-horned Lizard, sand dunes, San Luis Valley, Colorado
Snowy Egret., Blanca Wetlands, San Luis Valley, Colorado
The Great Sand Dunes Tiger Beetle (Cicindela theatina) is endemic to the Valley
Great Sand Dunes Tiger Beetle (Cicindela theatina), Great Sand Dunes National Park, San Luis Valley, Colorado
White-faced Ibis in Blanca Wetlands, Bureau of Land Management, San Luis Valley, Colorado. (Dunes071)
White-faced Ibis in Blanca Wetlands, Bureau of Land Management, San Luis Valley, Colorado
Foster Whooping Cranes in San Luis Valley
Foster Whooping Cranes in San Luis Valley
Foster Whooping Crane in San Luis Valley
A flock of phalaropes stops at a wetland on their migration through the San Luis Valley.
Migrating flock of Wilson's Phalarope, San Luis Valley, Colorado
Entrance to Wolf Spider hole in sand, San Luis Valley, Colorado
