Jack Dykinga / Sandhill cranes (Grus canadensis) taking off, Bosque del Apache National Wildlife Refuge, New Mexico, USA, December.

Jack Dykinga / Sandhill cranes (Grus canadensis) taking off, Bosque del Apache National Wildlife Refuge, New Mexico, USA, December.

Jack Dykinga / Snow geese (Chen caerulescens) arge flock, Bosque del Apache, New Mexico, USA, December.

Jack Dykinga / Snow goose (Chen caerulescens) bathing, Bosque del Apache, New Mexico, USA, December.

Jack Dykinga / Snow geoose (Chen caerulescens) Bosque del Apache, New Mexico, USA, December.

Jack Dykinga / Sandhill crane (Grus canadensis) flock, Boque del Apache, New Mexico, USA, December.

Jack Dykinga / Sandhill cranes (Grus canadensis) mating dance at sunset, Bosque del Apache National Wildlife Refuge, New Mexico, USA, December.

Jack Dykinga / Sandhill cranes (Grus canadensis) mating dance at sunset, Bosque del Apache National Wildlife Refuge, New Mexico, USA, December. Small repro only

Jack Dykinga / Sandhill crane (Grus canadensis) flock in flight, silhouetted at sunset, Bosque del Apache National Wildlife Refuge, New Mexico, December.

Jack Dykinga / Sandhill crane (Grus canadensis) two in flight, silhouetted at sunset, Bosque del Apache National Wildlife Refuge, New Mexico, December.

Jack Dykinga / Sandhill cranes (Grus canadensis) group of three at their night roost pond, Bosque del Apache National Wildlife Refuge,

Jack Dykinga / Sandhill cranes (Grus canadensis) in Bosque del Apache National Wildlife Refuge at sunset, New Mexico, USA, December.

Jack Dykinga / Sandhill crane (Grus canadensis) flock silhouetted in flight, New Mexico, USA, December.

Jack Dykinga / Snow goose (Chen caerulescens) bathing, Bosque del Apache, New Mexico, USA, December.

Jack Dykinga / Western screech owl (Megascops kennicottii) well camouflaged in dead wood, Bosque del Apache, New Mexico, USA, January.

Tim Fitzharris / Snow Goose (Chen caerulescens) and Sandhill Crane (Grus canadensis) flocks flying, Bosque del Apache National Wildlife Refuge, New Mexico

Tim Fitzharris / Quaking Aspen (Populus tremuloides) and Ponderosa Pine (Pinus ponderosa) trees in winter, Santa Fe National Forest, New Mexico

Tim Fitzharris / Quaking Aspen (Populus tremuloides) and Ponderosa Pine (Pinus ponderosa) trees in winter, Santa Fe National Forest, New Mexico

Tim Fitzharris / Quaking Aspen (Populus tremuloides) trees in winter, Aspen Vista, Santa Fe National Forest, New Mexico

Tim Fitzharris / Quaking Aspen (Populus tremuloides) trees in winter, Aspen Vista, Santa Fe National Forest, New Mexico

Tim Fitzharris / Ponderosa Pine (Pinus ponderosa) tree and eroded rock formation, Kasha-Katuwe Tent Rocks National Monument, New Mexico

Tim Fitzharris / Ponderosa Pine (Pinus ponderosa) tree in slot canyon, Kasha-Katuwe Tent Rocks National Monument, New Mexico

Tim Fitzharris / Eroded rocks and valley, Kasha-Katuwe Tent Rocks National Monument, New Mexico

Tim Fitzharris / Eroded rock formations, Kasha-Katuwe Tent Rocks National Monument, New Mexico

Tim Fitzharris / Cottonwood (Populus sp) trees along the Rio Grande in autumn, Wild Rivers Recreation Area, New Mexico

Tim Fitzharris / Ponderosa Pine (Pinus ponderosa) trees in slot canyon, Kasha-Katuwe Tent Rocks National Monument, New Mexico

Tim Fitzharris / Rubber Rabbitbrush (Chrysothamnus nauseosus) and Cottonwood (Populus sp) trees in autumn, Santa Fe National Forest, New Mexico

Charlie Summers / Greater sandhill crane (Grus canadensis tabida) flying next to a white-bodied Snow Goose (Chen caerulescens) Bosque del Apache, New Mexico, USA, January.

Tim Fitzharris / Thunderstorm over deciduous forest at sunset, Santa Fe National Forest, New Mexico

Tim Fitzharris / Lightning over deciduous forest at sunset, Santa Fe National Forest, New Mexico

Tim Fitzharris / Cloudy sky over rock formation, Church Rock, Red Rock State Park, New Mexico

Tim Fitzharris / Rock formation at twilight, Church Rock, Red Rock State Park, New Mexico

Tim Fitzharris / Chamisa (Atriplex canescens) flowering in canyon near rock formation, Church Rock, Red Rock State Park, New Mexico

Tim Fitzharris / Canyon and rock formation, Church Rock, Red Rock State Park, New Mexico

Tim Fitzharris / Lightning strikes near rock formation, Church Rock, Red Rock State Park, New Mexico

Tim Fitzharris / Chamisa (Atriplex canescens) flowering in canyon, Church Rock, Red Rock State Park, New Mexico

Alan Murphy/ BIA / Rufous Hummingbird (Selasphorus rufus) male feeding on flower nectar, New Mexico

Alan Murphy/ BIA / Rufous Hummingbird (Selasphorus rufus) male feeding on flower nectar, New Mexico

Alan Murphy/ BIA / Pacific-slope Flycatcher (Empidonax difficilis), New Mexico

Alan Murphy/ BIA / Green-tailed Towhee (Pipilo chlorurus) calling, New Mexico

Alan Murphy/ BIA / Green-tailed Towhee (Pipilo chlorurus), New Mexico

Nate Chappell/ BIA / Snow Goose (Chen caerulescens) pair mating, New Mexico

Tim Fitzharris / Sandhill Crane (Grus canadensis) flock flying over pond with Snow Geese (Chen caerulescens), Bosque del Apache National Wildlife Refuge, New Mexico

Tim Fitzharris / Sandstone cliffs, Echo Amphitheatre, New Mexico

Tim Fitzharris / Ponderosa Pine (Pinus ponderosa) trees, El Morro National Monument, New Mexico

Tim Fitzharris / Coniferous trees and cliff, El Morro National Monument, New Mexico

Tim Fitzharris / Sandstone pinnacles, New Mexico

Tim Fitzharris / Sandstone pinnacles, New Mexico

Tim Fitzharris / River in gorge, Rio Grande Gorge, Rio Grande del Norte National Monument, New Mexico

Tim Fitzharris / River in gorge, Rio Grande Gorge, Rio Grande del Norte National Monument, New Mexico

Tim Fitzharris / Rock formation, Battleship Rock, Jemez Mountains, Jemez National Recreation Area, New Mexico

Tim Fitzharris / Rock formation, Battleship Rock, Jemez Mountains, Jemez National Recreation Area, New Mexico

Paul D Stewart / Giant crystal formations of selenite hang in the crystal chamber of lechuguilla cave in New Mexico, USA. The caves have been found to be partly formed by the activities of extremophile bacteria that l...

Cyril Ruoso / Male Hooded oriole (Icterus cucullatus) perched on top of Elephant cactus (Pachycereus pringlei) Vizcaino Desert, Baja California, Mexixo, May.

Cyril Ruoso / Male Gambel's quail (Callipepla gambelii) perched on top of an Elephant cactus (Pachycereus pringlei) Vizcaino Desert, Baja California, Mexico, May.

Cyril Ruoso / Turkey vulture (Cathartes aura) sunning itself, Vizcaino Desert, Baja California, Mexico, May.

Tim Fitzharris / Ocotillo (Fouquieria splendens) with rainbow Gobbler Knob formation, Sacramento Mountains, Lincoln,New Mexico

Tim Fitzharris / Tinajas in Sandstone Bluffs over looking lava beds at dusk, El Malpais National Monument, New Mexico

Tim Fitzharris / Sunset over Rio Grande gorge at Sheep Crossing, Rio Grande del Norte National Monument, New Mexico

Tim Fitzharris / Clouds over Sangre de Cristo Mountain Range, New Mexico

Tim Fitzharris / Rio Grande Wild and Scenic River, Rio Grande del Norte National Monument, New Mexico

Tim Fitzharris / Rio Grande Wild and Scenic River, view from Sheep Crossing to Ute Mountain, Rio Grande del Norte National Monument, New Mexico

Tim Fitzharris / Sunrise at Rio Grande Wild and Scenic River, Rio Grande del Norte National Monumnet,south of Taos, New Mexico

Tim Fitzharris / Rio Grande Wild and Scenic River,view from Sheep Crossing to Ute Mountain, Rio Grande del Norte National Monument, New Mexico

Tim Fitzharris / Rocky Mountain Juniper (Juniperus sp) trees at lake, Santa Cruz Lake Recreation Area, New Mexico

Tim Fitzharris / Common Cattail (Typha latifolia) along the Rio Grande, Rio Grande del Norte National Monument, New Mexico

Tim Fitzharris / The Rock Garden, Clayton Lake State Park, New Mexico

Tim Fitzharris / Giant cumulonimbus clouds, near Des Moines, New Mexico

Tim Fitzharris / Giant cumulonimbius cloud and rainbow, Sierra Grande, near Capulin, New Mexico

Tim Fitzharris / Giant cumulonimbius cloud, Sierra Grande shield volcano, near Cauplin, New Mexico

Tim Fitzharris / Capulin Volcano cinder code, extinct, Capulin Volcano National Monument, New Mexico

Tim Fitzharris / River valley, Rio Grande, Rio Grande del Norte National Monument, New Mexico

Tim Fitzharris / Ocotillo (Fouquieria splendens) and mesa, Lincoln National Forest, Sacramento Mountains, New Mexico

Tim Fitzharris / Agave (Agave sp) and Ocotillo (Fouquieria splendens), Lincoln National Forest, Sacramento Mountains, New Mexico

Tim Fitzharris / Agave (Agave sp) and Ocotillo (Fouquieria splendens), Lincoln National Forest, Sacramento Mountains, New Mexico

Yva Momatiuk & John Eastcott / Contrails and cumulus clouds, New Mexico

Yva Momatiuk & John Eastcott / Quaking Aspen (Populus tremuloides) trees in autumn,, Rocky Mountains, Colorado

Yva Momatiuk & John Eastcott / Gypsum sand dune, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / Snow Goose (Chen caerulescens) flock, Bosque del Apache National Wildlife Refuge, New Mexico

Yva Momatiuk & John Eastcott / Gypsum sand dune at sunset, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / Sandhill Crane (Grus canadensis) flock flying, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / Sandstone rock formations, Bisti Wilderness Area, New Mexico

Yva Momatiuk & John Eastcott / Rock formation, Bisti Wilderness Area, New Mexico

Yva Momatiuk & John Eastcott / Sandstone rock formations, Bisti Wilderness Area, New Mexico

Yva Momatiuk & John Eastcott / Sandstone rock formations, Bisti Wilderness Area, New Mexico

Yva Momatiuk & John Eastcott / Sandstone rock formations, Bisti Wilderness Area, New Mexico

Yva Momatiuk & John Eastcott / Sandstone rock formations, Bisti Wilderness Area, New Mexico

Yva Momatiuk & John Eastcott / Mushroom hoodo sandstone rock formations, Bisti Wilderness Area, New Mexico

Yva Momatiuk & John Eastcott / Gypsum sand dunes, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / Gypsum sand dunes, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / White gypsum sand dunes, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / Ripples in white gypsum sand dunes, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / Hikers among white gypsum sand dunes, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / White gypsum sand dunes, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / White gypsum sand dunes, White Sands National Park, New Mexico

Yva Momatiuk & John Eastcott / Yucca (Yucca sp) growing on sand dune, White Sands National Park, New Mexico