A bull elk bufles during the ritual mating season in the Moraine Valley - Rocky Mountain National Park

A bull elk bugles down the rising run in the Moraine Valley awakening another autumn day - Rocky Mountain National Park, CO.

A Tricolor Heron sits amongst the vegetation as it fishes for food - Eveglades National Park, FL

A White Ibis has water drip off its beak after probing in the surrounding marsh for food - Everglades National Park, FL

A lone black vulture takes flight during a tropical sunset - Everglades National Park, FL

A Great Egret identifies a fish swimming in the marshlands of its habitat - Everglades National Park, FL

An Osprey is perched while it scans the water for fish in Florida Bay - Everglades National Park, FL

A Snowy Egret stands on a log admist strong wind gusts near the town of Flamingo in Florida Bay - Everglades National Park, FL

A Little Blue Heron is spotted on a log in Florida Bay near the town of Flamingo on their migratory journey to South America for the winter - Everglades National Park, FL

A Tricolored Heron stalks a fish in Mrazek Pond - Everglades National Park, FL

A Tricolored Heron balances on a small branch and it looks for fish in Mrazek Pond - Everglades National Park, FL

A Tricolored Heron walks gracefully on a fallen tree limb with balance and ease near Mrazek Pond - Everglades National Park, FL

A male American Alligator rests and absorbs heat from the sun near Shark Valley - Everglades National Park, FL

An Ibis is perched on a tree branch while looking off into the distance near the marshlands of Shark Valley - Everglades National Park, FL

A Little Blue Heron stares intently while barely places its beak in the water as it closes in on a fish in Shark Valley - Everglades National Park, FL

A male American Alligator rests near his territory in the marsh near Shark Valley - Everglades National Park, FL

A Tricolored Heron pauses on its way up a slope near the marshlands in Shark Valley - Everglades National Park, FL

A Great Egret scans the water of a local marsh in search for food near Shark Valley - Everglades National Park, FL

A Great White Heron is perched on a mangrove tree along the back water canals of Florida Bay - Key Largo, FL

A Brown Pelican is perched a top a clump of mangrove trees in Florida Bay - Key Largo, FL

A Rocky Mountain goat kid smells his mother as both mom and baby are seen near the summit of Mount Evans (14,265 feet) - Evergreen, CO

Two Rocky Mountain goat kids pause during their playtime near the summit of Mount Evans (14,265 feet) - Evergreen, CO

A male Wood Duck, and his accompanying reflection, are seen swimming on a cold winter's day - Littleton, CO

A female mallard steps forward as she walks a top of ice on Sterne Lake on a cool winter morning - Littleton, CO

A Gray Wolf pauses for a brief moment amongst the trees on a frigid, sub-zero winter's morning - Divide, CO

A timber wolf pauses a top a small hill on a winter's morning where temperatures measured -17 °F at the Colorado Wolf and Wildlife Sanctuary. Despite water crystalizing into ice on the beard of this wolf, there was still an unmistakable dignity to this natural predator of the west. - Divide, CO

A female timber wolf is seen after playing in the snow on a frigid, sub-zero morning at the Colorado Wolf and Wildlife Sanctuary - Divide, CO

A female timber wolf is howls in the early, frigid, mooning seen in the frigid, sub-zero morning at the Colorado Wolf and Wildlife Sanctuary - Divide, CO

A black phase Timber Wolf female lifts her head after rummaging in the snow on a bitterly cold, sub-zero morning at the Colorado Wolf and Wildfire Center - Divide, CO

A black phase Timber Wolf female steps into the morning sunlight providing additional warmth on a bitterly cold morning at the Colorado Wolf and Wildfire Center - Divide, CO Purchase This Photo

A black phase Timber Wolf female emerges from the shadows of the forest on a bitterly cold, sub-zero morning at the Colorado Wolf and Wildfire Center - Divide, CO

A female America Bald Eagle is seen on final approach as she lands on a snag inside of Bear Creek Lake park - Morrison, CO Purchase This Photo

An adult, female barn owl is spotted in a tree on a mild summer morning at Bear Creek Lake Park - Morrison, CO

A portrait of a male Peregrine Falcon on a mild summer morning at Bear Creek Lake Park - Morrison, CO

A male Peregrine Falcon prepares for flight off a rock at Break Creek Lake Park on a cool summer morning - Morrison, CO

The intense stare of a male Peregrine Falcon seen on a mild summer morning at Bear Creek Lake Park - Morrison, CO

A female Great Horned Owl is seen on a mild summer morning at Bear Creek Lake Park - Morrison, CO

A bull elk walks back to herem after successfully running off another male aggressor on a brisk autumn afternoon in the Moraine Valley - Rocky Mountain National Park, CO

Two bull elk fight in the Moraine Valley on a brisk autumn morning in the Moraine Valley during mating season - Rocky Mountain National Park, CO

Two bull elk fight in the Moraine Valley on a brisk autumn morning in the Moraine Valley during mating season - Rocky Mountain National Park, CO

A battle-weary bull elk responds to another bull as they define their territory on a late autumn morning in the Moraine Valley - Rocky Mountain National Park, CO

A female wood duck performs a wing flap as the first light of the morning reaches her at Sterne Pond Park - Littleton, CO

A male wood duck performs a wing flap on a brisk late autumn morning at Sterne Pond Park - Littleton, CO

A male adult Timber Wolf peeks out from behind a small grove of aspens on a winter's morning at the Colorado Wolf and Wildlife Sanctuary - Divide, CO

A male red fox reacts to a sounds off in the distance as he keeps a watchful eye on his surroundings at the Colorado Wolf and Wildlife Center - Divide, CO

A mature bull Elk turns his head in response to a sound made off in the distance on a warm, late summer day near the Moraine Valley - Rocky Mountain National Park, CO

A female adult peregrine falcon turns and looks, however briefly, while perched on a rock at Bear Creek Lake State Park on a mild autumn's morning - Lakewood, CO

A Great Horned Own sits on a branch while attempting to cool off on a mild autumn's mooring at Bear Creek Lake Park - Lakewood, CO

A female barn owl is seen sitting on a tree branch on a brisk fall morning at Bear Creek Lake Park - Lakewood, CO

A Eastern Screech-Owl is spotted hanging out in an enclosure at the base of a large cottonwood tree on a mild autumn's morning at Bear Creek Lake Park - Lakewood, CO

A wild American bison grazes on the planes which back up to the rocky mountains on a mild winter's day at the Rocky Mountain Arsenal National Wildlife Refuge - Denver, CO

A wild American Bison is seen providing a ride a flock of birds on a mild winter's morning at the Rocky Mountain Arsenal National Wildlife Refuge - Denver, CO

A wild, female white-tailed deer is seen eating as an arctic winter storm on a bitter winter's day at the Rocky Mountain Arsenal National Wildlife Refuge - Denver, CO

A female Timber Wolf pauses as she digs through the fresh powder of an early morning snow storm in a frigid winter's morning at the Colorado Wolf and Wildlife Sanctuary - Divide, CO

A captured male Timber Wolf looks up while trudging through the fresh powder of an overnight snowfall on a frigid winter's morning at the Colorado Wolf and Wildlife Sanctuary - Divide, CO

A blackbird sings in the early morning on a warm summer's morning at the Rocky Mountain Arsenal National Wildlife Refuge - Commerce City, CO

Grey Owl peers off into the distance during a summer rain storm - Grand Teton National Park, WY

A Rocky Mountain Big Horned Sheep pauses as it ascends a hillside in the Lamar Valley - Yellowstone National Park, WY