Nesting pair of bald eagles as thousands of snow gesse fly over near Fairfield, Montana, USA

Bald eagles spar on irrigation pipe in the Flathead Valley, Montana, USA

Atlantic Puffin in fligtht on Machias Seal island, Maine, USA

Atlantic puffin on Machias Seal Island near Cutler, Maine, USA

Atlantic Puffins on Machias Seal Island off the coast of Cutler, Maine, USA

Atlantic Puffins on Machias Seal Island, Maine, USA

Atlantic Puffin with mouthful of herring fish on Machias Seal Island off the coast of Cutler, Maine, USA

Atlantic Puffin in flight on Machias Seal Island, Maine, USA

Atlantic puffin with nouthful of herring on Machias Seal Island near Cutler, Maine, USA

Razorbill in flight at Machias Seal Island, Maine, USA

Bohemian waxwings feeding on mountain ash berries in Whitefish, Montana, USA

Family of Canada geese silhouetted by rising sun reflection in Medicine Lake National Wildlife Refuge, Montana, USA

Male common loon drying his wings on Beaver Lake near Whitefish, Montana, USA

Female common loon with newborn chick on Beaver Lake near Whitefish, Montana, USA

Female common loon with newborn chick on Beaver Lake near Whitefish, Montana, USA

Common loon with pair of newborn chick on small mountain lake near Whitefish, Montana, USA

Common Snipes in Lazy Creek near Whitefish Montana

Male snowy owl in flight in Kalispell, Montana, USA

Great Horned Owl at nest site in Defiance, Ohio, USA

Great Horned Owls at nest site in Defiance, Ohio, USA

Pair of fledgling great horned owls at old wooden granary near Colllins, Montana, USA

Great horned owl at the Arizona Sonora Desert Museum in Tucson, Arizona, USA

Barred owl in Everglades National Park, Florida, USA

Female barred owl in Everglades National Park, Florida, USA

Short eared owl at Ninepipe WMA near Ronan, Montana, USA

Short eared owl at Ninepipe National Wildlife Refuge, Montana, USA

Short eared owl at Ninepipe National Wildlife Refuge, Montana, USA

Burrowing owls in Cape Coral, Florida, USA

Immature Rough legged Hawk feeding on a pheasant near Valier Montana

Rough legged hawk on fencepost in winter at Ninepipe WMA in the Mission Valley of Montana

Male Mountain bluebird in the Mission Valley, Montana, USA

Male Mountain bluebird with grub in beak in the Mission Valley, Montana, USA

Cedar waxwing in tree in the Little Missouri National Grasslands in North Dakota, USA

Northern Pintail Ducks in courtship flight at Freezeout Lake WMA near Choteau, Montana, USA

Northern Pintail Ducks in courtship flight at Freezeout Lake WMA near Choteau, Montana, USA

Northern pintail ducks in courtship flight at Freezeout Lake WMA near Fairfield, Montana, USA

Northern pintail ducks take off from wetlands at Freezeout Lake WMA near Fairfield, Montana, USA

Osprey returns to nest with fish at Hungry Horse Reservoir in the Flathed National Forest, Montana, USA

Breeding pair of osprey near Rollins, Montana, USA

Osprey in flight near Rollins, Montana, USA

Male pheasant in courting ritual with female in the prairie grasses at Benton Lake NWR near Great Falls Montana

Male pheasant at Freezeout Lake WMA near Choteau, Montana, USA

Male ring necked pheasant in Montana

Pileated woodpecker at tree stump in Whitefish Montana

Male prairie chicken booming on lek in Loup County, Nebraska, USA

Male prairie chickens at lek in Loup County, Nebraska, USA

Male prairie chickens at lek in Loup County, Nebraska, USA

Juvenile red tailed hawk takes off for flight near Augusta, Montana, USA

Redtailed Hawk with four chicks in nest near Stanford,.Montana, USA

Immature red tailed hawk at Funk WPA near Minden, Nebraska, USA

Red winged blackbird in flight at Fox Lake WMA near Lambert, Montana, USA

Redwing Blackbird singing at Freezeout Lake WMA near Choteau, Montana, USA

Red winged blackbirds in large flock at Arrowwood NWR near Jamestown, North Dakota, USA

Adult roadrunner at Bosque del apache NWR in New Mexico

Sandhill cranes silhouetted aginst the setting sun as they fly to the Platte River near Kearney, Nebraska, USA

Sandhill crane landing on the Platte River during spring migration near Kearney, Nebraska, USA

Sandhill cranes roosting at dusk on the Platte River during spring migration near Kearney, Nebraska, USA

Sandhill crane in flight in the Flathead Valley, Montana, USA

Sandhill Cranes silhouetted against brilliant sunset in flight in the Flathead Valley, Montana, USA

Sandhill cranes in flight in the Flathead Valley, Montana, USA

Sandhill cranes dancing on the Platte River near Kearney, Nebraska, USA

Long Billed Curlew in the grasslands of the Rocky mountain Front near Augusta Montana

Snow geese fill the sky after feeding in barley fields on the Fairfield Bench near Fairfield, Montana, USA

Snow geese feeding in barley field stubble near Freezeout Lake WMA near Choteau, Montana, USA

Snow geese during spring migration at Freezeout Lake WMA, Montana, USA

Snow geese in flight during spring migration along the Rocky Mountain Front at Freezeout Lake WMA near Choteau Montana

Snow geese take off from pond at Freezeout Lake WMA near Fairfield, Montana, USA

Snow geese lift off with dramatic lenticular cloud sunrise sky during spring migration at Freezeout Lake WMA near Choteau, Montana, USA

Snow geese take off from pond at sunrise during spring migration at Freezeout Lake WMA near Choteau, Montana, USA

Snow geese spring migration at Freezeout Lake WMA near Choteau, Montana, USA

Snowgeese take flight at Freezeout Lake WMA near Choteau, Montana, USA

Snow Geese during spring migration at Freezeout Lake WMA near Choteau, Montana, USA

Snow geese during spring migration at Freezeout Lake WMA near Choteau, Montana, USA

Wild turkey tom in breeding plumage near Roseberg Oregon

Tom turkeys in breeding plumage in Great Basin National Park, Nevada, USA

Wild turkey toms in breeding plumage near Roseberg Oregon

White Crowned Sparrow in Big Sur, California, USA

Yellowheaded Blackbird singing in small pond at the National Bison Range in the Mission Valley of Montana

A male lazuli bunting songbird singing at the National Bison Range near Moiese, Montana, USA

Mallard duck family in Bass Harbor Marsh in Acadia National Park, Maine, USA

Adult female mallard takes off for flight in the reeds of Whitefish Lake in Montana

Female Mallard duck drying wings while male suitors look on at Woodland Park in Kalispell, Montana, USA

Mallard ducks in flight near Whitefish Montana

Large flock of mallard ducks take off from stubble field in front of the Bridger Mountains near Bozeman Montana

Common merganser with newborn chicks in Whitefish Lake, Montana, USA

Tundra Swans with Ear Mountain in background during spring migration at Freezeout Lake WMA near Choteau, Montana, USA

Tundra Swans at Freezeout Lake WMA near Choteau, Montana, USA

Tundra Swans at Freezeout Lake WMA along the Rocky Mountain Front near Choteau, Montana, USA

Tundra Swans in flight at Freezeout Lake WMA near Choteau, Montana, USA

Trumpeter swan family in last light at pond at the Ninepipe NWR in Montana

Pelagic cormorant flies above the Pacific Ocean at Cape Flattery near Neah Bay, Washington, USA

Male grosbeak near Nordegg, Alberta, Canada

Common goldeneye ducks at Freezeout Lake WMA near Choteau, Montana, USA

Blue winged teals in flight at Medicine Lake National Wildlife Refuge, Montana, USA

Great egret at sunset on Sanibel Island, Florida, USA

Great Egret catching fish at Lake Martin near Lafayette, Louisiana, USA

Wood Stork in Everglades National Park, Florida, USA

Pair of brown pelicans in flight along Sanibel Island in Florida, USA

Brown Pelican in flight at Ten Thousand Islands NWR in Everglades National Park, Florida, USA

Red Shouldered Hawk with freshly caught green anole lizard at Corkscrew Swamp Sanctuary near Naples, Florida, USA

Reddish egret displaying showy feeding dance behavior at Ding Darling National Wildlife Refuge in Sanibel Island, Florida, USA

Reddish Egret Hunting for fish in Fort DeSoto State Park, Florida, USA

Yellow Crowned Night Heron with fresjhly caught crab in Ding Darling National Wildlife Refuge on Sanibel Island, Florida, USA

Yellow Crowned Night Heron at Ding Darling National Wildlife Refuge in Sanibel Island, Florida, USA

Cactus Wren singing in Saguaro skeleton at the Arizona Sonoran Desert Museum in Tucson, Arizona, USA

Great Blue Heron fishing along a canalway in Bosque del Apache NWR in New Mexico

Cormorants at Lake Martin near Lafayette, Louisiana, USA

Male Costa Hummingbird at the Arizona Sonoran Desert Museum in Tucson, Arizona, USA

Arctic Tern in flight at Machias Seal Island, Maine, USA

Male Red Crossbill in the Stillwater State Forest, Montana, USA

Greater Flamingos feed in salt pans in Tavira, Portugal

Great Blue Heron along Lake Dautrieve near Loreauville, Louisiana, USA

Goldeneye ducks in McDonald Creek in winter in Glacier National Park, Montana, USA