Stock Collection: 15,000 - 90,000 photos

General Subject Areas: Wildlife, Birds,Tropical Birds, Mammals, Landscapes, Flowers, Central America, South America, American West, Atlantic Coast of U.S., Nature, Washington, D.C.

Books / Publication Credits: Birder\'s World magazine (Article and Photos), WildBird magazine (Article and Photos), National Audubon Society Field Guides, National Geographic Book Publishing, Washington Post

Geographic Coverage: Costa Rica, Maine, Maryland, Virginia, Washington, D.C., North Carolina, South Carolina, Florida, Texas, Wyoming, Montana, California, Alaska, Delaware, Alberta, British Columbia, Alaska, Panama, Brazil, Peru, Bonaire, U.S. Virgin Islands, Trinidad and Tobago, Kenya, Tanzania

Future Travel: Brazil, Costa Rica, Panama

Other services: Available for assignments, travel, and to scout locations. Seeking writing and photography assignments. Available to deliver slide illustrated lectures on areas of coverage with specific themes relating to conservation, ecology or, more generally, to wildlife or nature.

Typical Stock Photo Examples:
Costa Rica, quetzal, resplendent quetzal, golden-browed chlorophonia, hoatzin, three-wattled bellbird, bare-necked umbrellabird, scarlet macaw, blue and yellow macaw, chestnut-fronted macaw, red and green macaw, hyacinth macaw, jabiru, rufescent tiger heron, fasciated tiger heron, bare-throated tiger heron, blue-crowned motmot, turquoise-browed motmot, white-whiskered puffbird, acorn woodpecker, harpy eagle, sunbittern, least bittern, american bittern, great blue heron, tricolored heron, reddish egret, great white heron, great egret, american egret, bald eagle, snowy egret, buff-necked ibis, plumbeous ibis, wood stork, green ibis, amazon kingfisher, green kingfisher, southern screamer, horned screamer, white woodpecker, crimson-crested woodpecker, monk parakeet, canary-winged parakeet, turquoise-fronted parrot, hummingbirds, white-tipped sickle bill, violet sabrewing, green hermit, long-tailed hermit, green-crowned brilliant, purple-throated-mountain-gem, snowcap, shining honeycreeper, red-legged honeycreeper, speckled tanager, bay-headed tanager, silver-throated tanager, green honeycreeper, blue-gray tanager, crimson-collared tanager, scarlet rumped tanager, rufous-tailed jacamar, blackburnian warbler, yellow-rumped warbler, pale-billed woodpecker, lineated woodpecker, keel-billed toucan, chestnut-mandibled toucan, emerald toucanet, toco toucan, rufous motmot, ringed kingfisher, belted kingfisher, violaceous trogon, elegant trogan, orange-bellied trogon, slaty-tailed trogon, squirrel cuckoo, mottled owl, bare-shanked screech owl, great horned owl, barn owl, spotted owl, barred owl, easter screech owl, western screech owl, elf owl, burrowing owl, snowy owl, blue-headed parrot, ornate hawk eagle, osprey, collared forest falcon, boat-billed heron, bat falcon, crested caracara, crested guan, black guan, prong-billed barbet, grizzly bear, black bear, moose, elk, wapiti, bighorn sheep, dall sheep, pronghorn antelope, rocky mountain goat, mule deer, white-tailed deer, raccoon, beaver, american bison, caribou, red fox, muskrat, Chincoteague pony, armadillo, coatimundi, black howler monkey, white-faced capuchin monkey, green palm viper, brown water snake, leopard frog, painted turtle, alligator snapping turtle, king rail, clapper rail, carolina wren, red-bellied woodpecker, white ibis, little blue heron, snow goose, blue phase snow goose, canada goose, common merganser, hooded merganser, lesser scaup, canvasback duck, red-headed duck, tundra swan, mute swan, wood duck, mallard duck, ruddy duck, common goldeneye, blue-winged teal, green-winged teal, red-necked grebe, pied-bill grebe, laughing gull, ring-billed gull, common tern, foster\'s tern, lesser yellowlegs, spotted sandpiper, scrub jay, ruddy turnstone, sanderling, snowy plover, short-billed dowitcher, least sandpiper, marbled godwit, whimbrel, black-necked stilt, American avocet, long-billed curlew, American oystercatcher, black-bellied whistling duck, northern pintail, northern shoveler, muscovy duck, American coot, common gallinule, purple gallinule, yellow-crowned night heron, black-crowned night heron, anhinga, snake bird, northern jacana, green-backed heron, striated heron, gray-necked wood rail, sora, cattle egret, black skimmer, sandwich tern, royal tern, elegant tern, orange-collared manakin, long-tailed manakin, red-capped manakin, blue capped manakin, masked tityra, great kiskadee, golden-bellied flycatcher, fork-tailed flycatcher, scissor-tailed flycatcher, eastern kingbird, brown jay, white-throated robin, clay-colored robin, montezuma oropendola, chestnut-headed oropendola, red-winged blackbird, yellow-rumped cacique, eastern meadowlark, cedar waxwing, white-throated sparrow, northern cardinal, hermit thrush, barn swallow, song sparrow, downy woodpecker, green- headed tanager, troupial, crested oropendola, barred antshrike, chestnut-eared aracari, guira cuckoo, blue-winged macaw, maguari stork, white-faced ibis, capybara, marsh deer, common marmoset, brown capuchin monkey, black-backed water tyrant, white-headed marsh tyrant, great antshrike, narrow-billed woodcreeper, black-fronted nunbird, glittering-throated emerald, orange-winged parrot, black-hooded parakeet, black-collared hawk, savanna hawk, snail kite, crane hawk, southern lapwing, greater rhea, cocoi heron, white-necked heron, yellow-billed tern, donacobius, silver-beaked tanager, crested oropendola, red-crested cardinal, red-capped cardinal, rusty-collared seedeater, giant otter, South American coatimundi, tayra, red brocket deer, Brazilian tapir, Corcovado National Park (Costa Rica), Guanacaste National Park (Costa Rica), Parque Nacional Corcovado (Costa Rica), Parque Nacional Guanacaste (Costa Rica), Manuel Antonio National Park (Costa Rica), Parque Nacional Manuel Antonio (Costa Rica), Parque Nacional Volcan Arenal (Costa Rica), Las Cruces Biological Station and Reserve(Costa Rica), Tapanti National Park (Costa Rica), Parque Nacional Tapanti (Costa Rica), Reserva Biologica Bosque Nubosa Monteverde (Costa Rica), Monteverde Cloud Forest Reserve (Costa Rica), Carara Biological Reserve (Costa Rica), Reserva Biologica Carara (Costa Rica), Marenco Biological Station (Costa Rica), Marenco Nature Reserve (Costa Rica), Santa Elena Cloud Forest Reserve (Costa Rica), La Selva Biological Station (Costa Rica), La Selva Biological Reserve (Costa Rica), Turrialba Area (Costa Rica), Wilson Botanical Gardens (Costa Rica), Denali National Park (Alaska), Brooks Falls (Alaska), Katmai National Park (Alaska), Kenai Fjords National Park (Alaska), Yellowstone National Park, Glacier National Park (Montana), Waterton Lakes National Park (Alberta), Banff National Park (Alberta), Jasper National Park (Alberta), Chincoteague National Wildlife Refuge (Virginia), Assateague National Seashore (Virginia), Blackwater National Wildlife Refuge (Maryland), Bombay Hook National Wildlife Refuge (Delaware), Ding Darling National Wildlife Refuge (Florida), Corkscrew Swamp Sanctuary (Florida), Merritt Island National Wildlife Refuge (Florida), Everglades National Wildlife Refuge (Florida), marsh restoration, dried flowers, fringed gentian, heliconias, tropical plants, Wilson Botanical Gardens (Costa Rica), passion flower, red passion flower, nesting birds, bird nesting behavior, courtship behavior in birds, great blue herons nesting, great egrets nesting, black-crowned night herons nesting, reddish egrets nesting, reddish egret white phase, grizzly bear feeding, no war on Iraq peace march, September 11 commemoration peace march, Million Family March, marches in Washington, D.C., american eagle nesting, american eagle feeding young, research stations in Costa Rica, Tambopata Research Station in Peru, Jaguar Ecological Reserve in Brazil, pink gerardia, titi monkey, tourists in rain forest, tourists in cloud forest, cloud forest, rain forest, mountain landscapes, seascapes, moon rise, fall landscapes, autumn landscapes, fall themes, autumn themes, road to Monteverde Costa Rica scenes, three-wattled bell bird calling, Caribbean coast Costa Rica, Villas Calletas in Costa Rica, Tarcoles River in Costa Rica, Crocodiles, spectacled caiman, cattle ranches in Brazil, cattle ranches in Costa Rica, national parks and reserves in Costa Rica, national parks and reserves in Panama, national parks and reserves in Peru, national parks and reserves in Brazil, national parks and reserves in the U.S., elk bugling, bull elk herding cows, elk posturing, aggressive behavior of elk, aggressive behavior of caribou, courtship behavior of bighorn sheep, bighorn sheep butting heads, bighorn sheep mating, ram chasing ewe bighorn sheep, ram bighorn sheep wrestling, aspen in fall, rainbows, butterflies, neotropical colonial spider web, ecotourism in Latin America, ecotourism in Brazil, endangered species, tropical forest canopy, Porto Joffre in Brazil, territoriality in animals, territorial behavior in animals, shore bird flocks, shore birds, water birds, primary tropical forests, biodiversity, mangrove forests, mangroves, coastal habitat, oxbow lakes, lekking behavior, leks, tree frogs, poison arrow dart frogs, frugivores, Transpantaneira Road in Brazil, giant water lilies, Victoria amazonica, waterfalls, migrant worker camp in Costa Rica, Turrialba area in Costa Rica, Lomas Barbudal Reserve Costa Rica, Arenal Lake Costa Rica, Playa Jaco Costa Rica, Playa Grande Costa Rica, fishing boats in Costa Rica, wildlife, wildflowers, predation, Blue Ridge Parkway, Blue Ridge Mountains, Shenandoah National Park, Shenandoah Valley, Skyline Drive, Shenandoah River, White Oak Canyon and waterfall, Big Devil Stairs Trail in Shenandoah NP, Little Devil Stairs Trail in Shenandoah NP, Huntley Meadows State Park Virginia, Machias Seal Island Maine, Capitol Building Washington, D.C., cactus, saguaro cactus, ocotillo, caldera, Ngorogoro Crater, horseshoe crab, shorebird migration, dawn, sunsets, Port Mahon Delaware, eagles, endangered habitat, fine art photography, mushrooms, geyser, Golden Gate Bridge, cherry blossoms, Tidal Basin Washington, D.C., Big Sur area, Seals, harbor seal, sea lions, Seventeen Mile Drive, Seal Rock, Bird Rock, Morro Bay California, Morro Rock California, Coastal Highway California, Highway 101 California, Mount McKinley, Mount Katahdin, Sandy Spring Pond, Baxter State Park, alantic puffin, razorbill, natural history, nature, national forests, Black Hills South Dakota, Pea Island NWR, ornithology, photographers at work, jazz musicians, Pacific coast, Atlantic coast, rural scenes, saltmarsh, freshwater marsh, Hughes Hollow Maryland, McKee Besheer Wildlife Management Area, crab pots, Washington Monument, Joshua Tree NP, Salton Sea, Texas Coast, roadrunner, Library of Congress Bldgs., National Mall, Yellowstone burned area, Yellowstone fire damage, burned forest, bald cypress, zoo animals, wild ponies of Assateague Island, pyrhhuloxia, brown bear, bird flight, sika deer, African animals, Rio de Janeiro, Copacabana Beach, Ipanema Beach, Christ Statue in Rio, lighthouses, Canadian Rockies, Tomb of Unknown Soldier and changing of the guard, Bonaire, Curacao, Madison River in Yellowstone, foggy scenes, Monterey California, dried flowers, cut flowers, beach scenes, women in thongs on beach, cheetahs, lions, black-backed jackal, spotted hyena, hyena den, vervet monkey, olive baboon, red hartbeest, waterbuck, impala, black rhinoceros with young and hyena harassing , African elephant, saddle-billed stork, pied kingfisher, dik dik, hippopotamus, African spoonbill, goliath heron, black-necked heron, kori bustard, cape buffalo, superb starling, lion cub, lion cubs, cheetah cubs, wildebeest, greater and lesser flamingo, Burchell\'s zebra, masai giraffe, pink-backed pelican, African fish eagle, Masai Mara Reserve, Amboseli NP, Mount Longenot, Masai warrior, Masai woman, Masai child, Masai cattle, Lake Manyara NP, Masai village, Lake Naivasha, gila woodpecker, curve-billed thrasher, turkey vulture, black vulture, American crow, carolina chickadee, titmouse, junco, snow bird, snowy plover, Thompson\'s gazelle, animal affection, animal grooming, northern bobwhite, cattail marshes, animals with young, animal babies, snow geese, canada geese, blue snow geese, bird flocks, marsh rabbit, brown water snake, snakes mating, snake with prey, loblolly pine forests, wild turkey, ring-necked pheasant, pine marten, American alligator, manatee, mangroves, great gray owl, northern saw-whet owl, owl regurgitating pellet, owl with prey, martial eagle, black phoebe, pickerell weed, cat-eyed snake, European starling, ground squirrel, common snipe, redwood trees, Muir Woods, blackburnian warbler, gray wolves, gray wolf, The White House, Smithsonian Institution, Smithsonian Air and Space Museum, Smithsonian Natural History Museum, Smithsonian Museum Exhibits, John Wilson Building, Heritage Foundation, northern harrier, yellow iris, yellow flag, jewel weed, Lake Louise, Lower Waterfowl Lake, Icefields Parkway, Red Rock Canyon and Parkway, turks cap lily, flowering dogwood, clapper rail, sandwich tern, tidal creek, eastern chipmunk, alligator snapping turtle, trumpet creeper, orange trumpet flower, honeysuckle, mocking bird, Anhinga Trail, Mrazek Pond, Eco Pond, Vermillion Lakes Banff NP, yellow-billed cacique, coyote jumping, fall tundra, St. John\'s Wort, hummingbirds bathing, Venus Florida heronry, urban wildlife, animals in cities, Sunwapta Falls Jasper NP, cicada emerging, cicada, amplexis, Eleuthera, Cecropia tree, black-faced vervet monkey, floating market of Curacao, Courland Bay Tobago, net fishing Courland Bay Tobago, Sarapiqui River Costa Rica, elegant antbird, Goto Lake Bonaire, Estero Lagoon Florida, green hermit, Whiskey Basin Wyoming, Wilson\'s plover, white-necked jacobin, slate-throated redstart, olive-backed euphonia, nightingale thrush, rufous naped wren, Alcatraz, Union Square San Francisco, lesser flamingo, greater flamingo, butterfly pea, Mammoth Hot Springs, animals running, song sparrow, catbird, Maryland yellowthroat, Mount Rundle, Castle Mountain, Mount Edith Cavell, Takakkaw Falls Yoho NP, Cathedral Crags Yoho NP, Cathedral Mountain Yoho NP, Kicking Horse River Natural Bridge, Emerald Lake Yoho NP, Mount Stephen Yoho NP, Moraine Lake Banff NP, Chateau Lake Louise, Columbia Icefied, Athabasca Glacier, Tangle Falls Banff NP, Goats and Glaciers Viewpoint Jasper Np, Athabasca River Alberta, Patricia Lake Jasper NP, Pyramid Lake and Mountain Jasper NP, Mount Robson Provincial Park BC, Prince of Wales Hotel Waterton Lakes, National Bison Range, golden-mantled ground squirrel, Washington-Slagbaai National Park Bonaire, Yellow-winged parrot, caribbean parakeet, tropical mockingbird, yellow oriole, Selva Verde Loge Costa Rica, Monteverde Lodge Costa Rica, clay lick Tambopata River, colpa Tambopata River, two-toed sloth, three-toed sloth, Selva Verde Lodge Costa Rica, claylick Tambopata River Peru, colpa Tambopata River Peru, Macaws parrots at clay lick, Absoraka Mountains Yellowstone National Park, Yellowstone Lake, Old Faithful Geyser, Grand Canyon of the Yellowstone, Lower Falls Yellowstone River, Upper Falls Yellowstone, phainopepla, bananaquit, red-winged blackbird, bufflehead, bald pate duck, cardinal flower, brant black spruce, delphinium, giant dahlia, marigold, Tabacon Hot Springs Costa Rica, Tamarindo National Park Costa Rica, Santa Elena Costa Rica, Tapanti National Park Costa Rica, Cape Hatteras National Seashore, Cape Hatteras Lighthouse, Ocracoke Island North Carolina, Hatteras Inlet, CurCosta Rica, quetzal, resplendent quetzal, golden-browed chlorophonia, hoatzin, three-wattled bellbird, bare-necked umbrellabird, scarlet macaw, blue and yellow macaw, chestnut-fronted macaw, red and green macaw, hyacinth macaw, jabiru, rufescent tiger heron, fasciated tiger heron, bare-throated tiger heron, blue-crowned motmot, turquoise-browed motmot, white-whiskered puffbird, acorn woodpecker, harpy eagle, sunbittern, least bittern, american bittern, great blue heron, tricolored heron, reddish egret, great white heron, great egret, american egret, bald eagle, snowy egret, buff-necked ibis, plumbeous ibis, wood stork, green ibis, amazon kingfisher, green kingfisher, southern screamer, horned screamer, white woodpecker, crimson-crested woodpecker, monk parakeet, canary-winged parakeet, turquoise-fronted parrot, hummingbirds, white-tipped sickle bill, violet sabrewing, green hermit, long-tailed hermit, green-crowned brilliant, purple-throated-mountain-gem, snowcap, shining honeycreeper, red-legged honeycreeper, speckled tanager, bay-headed tanager, silver-throated tanager, green honeycreeper, blue-gray tanager, crimson-collared tanager, scarlet rumped tanager, rufous-tailed jacamar, blackburnian warbler, yellow-rumped warbler, pale-billed woodpecker, lineated woodpecker, keel-billed toucan, chestnut-mandibled toucan, emerald toucanet, toco toucan, rufous motmot, ringed kingfisher, belted kingfisher, violaceous trogon, elegant trogan, orange-bellied trogon, slaty-tailed trogon, squirrel cuckoo, mottled owl, bare-shanked screech owl, great horned owl, barn owl, spotted owl, barred owl, easter screech owl, western screech owl, elf owl, burrowing owl, snowy owl, blue-headed parrot, ornate hawk eagle, osprey, collared forest falcon, boat-billed heron, bat falcon, crested caracara, crested guan, black guan, prong-billed barbet, grizzly bear, black bear, moose, elk, wapiti, bighorn sheep, dall sheep, pronghorn antelope, rocky mountain goat, mule deer, white-tailed deer, raccoon, beaver, american bison, caribou, red fox, muskrat, Chincoteague pony, armadillo, coatimundi, black howler monkey, white-faced capuchin monkey, green palm viper, brown water snake, leopard frog, painted turtle, alligator snapping turtle, king rail, clapper rail, carolina wren, red-bellied woodpecker, white ibis, little blue heron, snow goose, blue phase snow goose, canada goose, common merganser, hooded merganser, lesser scaup, canvasback duck, red-headed duck, tundra swan, mute swan, wood duck, mallard duck, ruddy duck, common goldeneye, blue-winged teal, green-winged teal, red-necked grebe, pied-bill grebe, laughing gull, ring-billed gull, common tern, foster\'s tern, lesser yellowlegs, spotted sandpiper, scrub jay, ruddy turnstone, sanderling, snowy plover, short-billed dowitcher, least sandpiper, marbled godwit, whimbrel, black-necked stilt, American avocet, long-billed curlew, American oystercatcher, black-bellied whistling duck, northern pintail, northern shoveler, muscovy duck, American coot, common gallinule, purple gallinule, yellow-crowned night heron, black-crowned night heron, anhinga, snake bird, northern jacana, green-backed heron, striated heron, gray-necked wood rail, sora, cattle egret, black skimmer, sandwich tern, royal tern, elegant tern, orange-collared manakin, long-tailed manakin, red-capped manakin, blue capped manakin, masked tityra, great kiskadee, golden-bellied flycatcher, fork-tailed flycatcher, scissor-tailed flycatcher, eastern kingbird, brown jay, white-throated robin, clay-colored robin, montezuma oropendola, chestnut-headed oropendola, red-winged blackbird, yellow-rumped cacique, eastern meadowlark, cedar waxwing, white-throated sparrow, northern cardinal, hermit thrush, barn swallow, song sparrow, downy woodpecker, green- headed tanager, troupial, crested oropendola, barred antshrike, chestnut-eared aracari, guira cuckoo, blue-winged macaw, maguari stork, white-faced ibis, capybara, marsh deer, common marmoset, brown capuchin monkey, black-backed water tyrant, white-headed marsh tyrant, great antshrike, narrow-billed woodcreeper, black-fronted nunbird, glittering-throated emerald, orange-winged parrot, black-hooded parakeet, black-collared hawk, savanna hawk, snail kite, crane hawk, southern lapwing, greater rhea, cocoi heron, white-necked heron, yellow-billed tern, donacobius, silver-beaked tanager, crested oropendola, red-crested cardinal, red-capped cardinal, rusty-collared seedeater, giant otter, South American coatimundi, tayra, red brocket deer, Brazilian tapir, Corcovado National Park (Costa Rica), Guanacaste National Park (Costa Rica), Parque Nacional Corcovado (Costa Rica), Parque Nacional Guanacaste (Costa Rica), Manuel Antonio National Park (Costa Rica), Parque Nacional Manuel Antonio (Costa Rica), Parque Nacional Volcan Arenal (Costa Rica), Las Cruces Biological Station and Reserve(Costa Rica), Tapanti National Park (Costa Rica), Parque Nacional Tapanti (Costa Rica), Reserva Biologica Bosque Nubosa Monteverde (Costa Rica), Monteverde Cloud Forest Reserve (Costa Rica), Carara Biological Reserve (Costa Rica), Reserva Biologica Carara (Costa Rica), Marenco Biological Station (Costa Rica), Marenco Nature Reserve (Costa Rica), Santa Elena Cloud Forest Reserve (Costa Rica), La Selva Biological Station (Costa Rica), La Selva Biological Reserve (Costa Rica), Turrialba Area (Costa Rica), Wilson Botanical Gardens (Costa Rica), Denali National Park (Alaska), Brooks Falls (Alaska), Katmai National Park (Alaska), Kenai Fjords National Park (Alaska), Yellowstone National Park, Glacier National Park (Montana), Waterton Lakes National Park (Alberta), Banff National Park (Alberta), Jasper National Park (Alberta), Chincoteague National Wildlife Refuge (Virginia), Assateague National Seashore (Virginia), Blackwater National Wildlife Refuge (Maryland), Bombay Hook National Wildlife Refuge (Delaware), Ding Darling National Wildlife Refuge (Florida), Corkscrew Swamp Sanctuary (Florida), Merritt Island National Wildlife Refuge (Florida), Everglades National Wildlife Refuge (Florida), marsh restoration, dried flowers, fringed gentian, heliconias, tropical plants, Wilson Botanical Gardens (Costa Rica), passion flower, red passion flower, nesting birds, bird nesting behavior, courtship behavior in birds, great blue herons nesting, great egrets nesting, black-crowned night herons nesting, reddish egrets nesting, reddish egret white phase, grizzly bear feeding, no war on Iraq peace march, September 11 commemoration peace march, Million Family March, marches in Washington, D.C., american eagle nesting, american eagle feeding young, research stations in Costa Rica, Tambopata Research Station in Peru, Jaguar Ecological Reserve in Brazil, pink gerardia, titi monkey, tourists in rain forest, tourists in cloud forest, cloud forest, rain forest, mountain landscapes, seascapes, moon rise, fall landscapes, autumn landscapes, fall themes, autumn themes, road to Monteverde Costa Rica scenes, three-wattled bell bird calling, Caribbean coast Costa Rica, Villas Calletas in Costa Rica, Tarcoles River in Costa Rica, Crocodiles, spectacled caiman, cattle ranches in Brazil, cattle ranches in Costa Rica, national parks and reserves in Costa Rica, national parks and reserves in Panama, national parks and reserves in Peru, national parks and reserves in Brazil, national parks and reserves in the U.S., elk bugling, bull elk herding cows, elk posturing, aggressive behavior of elk, aggressive behavior of caribou, courtship behavior of bighorn sheep, bighorn sheep butting heads, bighorn sheep mating, ram chasing ewe bighorn sheep, ram bighorn sheep wrestling, aspen in fall, rainbows, butterflies, neotropical colonial spider web, ecotourism in Latin America, ecotourism in Brazil, endangered species, tropical forest canopy, Porto Joffre in Brazil, territoriality in animals, territorial behavior in animals, shore bird flocks, shore birds, water birds, primary tropical forests, biodiversity, mangrove forests, mangroves, coastal habitat, oxbow lakes, lekking behavior, leks, tree frogs, poison arrow dart frogs, frugivores, Transpantaneira Road in Brazil, giant water lilies, Victoria amazonica, waterfalls, migrant worker camp in Costa Rica, Turrialba area in Costa Rica, Lomas Barbudal Reserve Costa Rica, Arenal Lake Costa Rica, Playa Jaco Costa Rica, Playa Grande Costa Rica, fishing boats in Costa Rica, wildlife, wildflowers, predation, Blue Ridge Parkway, Blue Ridge Mountains, Shenandoah National Park, Shenandoah Valley, Skyline Drive, Shenandoah River, White Oak Canyon and waterfall, Big Devil Stairs Trail in Shenandoah NP, Little Devil Stairs Trail in Shenandoah NP, Huntley Meadows State Park Virginia, Machias Seal Island Maine, Capitol Building Washington, D.C., cactus, saguaro cactus, ocotillo, caldera, Ngorogoro Crater, horseshoe crab, shorebird migration, dawn, sunsets, Port Mahon Delaware, eagles, endangered habitat, fine art photography, mushrooms, geyser, Golden Gate Bridge, cherry blossoms, Tidal Basin Washington, D.C., Big Sur area, Seals, harbor seal, sea lions, Seventeen Mile Drive, Seal Rock, Bird Rock, Morro Bay California, Morro Rock California, Coastal Highway California, Highway 101 California, Mount McKinley, Mount Katahdin, Sandy Spring Pond, Baxter State Park, alantic puffin, razorbill, natural history, nature, national forests, Black Hills South Dakota, Pea Island NWR, ornithology, photographers at work, jazz musicians, Pacific coast, Atlantic coast, rural scenes, saltmarsh, freshwater marsh, Hughes Hollow Maryland, McKee Besheer Wildlife Management Area, crab pots, Washington Monument, Joshua Tree NP, Salton Sea, Texas Coast, roadrunner, Library of Congress Bldgs., National Mall, Yellowstone burned area, Yellowstone fire damage, burned forest, bald cypress, zoo animals, wild ponies of Assateague Island, pyrhhuloxia, brown bear, bird flight, sika deer, African animals, Rio de Janeiro, Copacabana Beach, Ipanema Beach, Christ Statue in Rio, lighthouses, Canadian Rockies, Tomb of Unknown Soldier and changing of the guard, Bonaire, Curacao, Madison River in Yellowstone, foggy scenes, Monterey California, dried flowers, cut flowers, beach scenes, women in thongs on beach, cheetahs, lions, black-backed jackal, spotted hyena, hyena den, vervet monkey, olive baboon, red hartbeest, waterbuck, impala, black rhinoceros with young and hyena harassing , African elephant, saddle-billed stork, pied kingfisher, dik dik, hippopotamus, African spoonbill, goliath heron, black-necked heron, kori bustard, cape buffalo, superb starling, lion cub, lion cubs, cheetah cubs, wildebeest, greater and lesser flamingo, Burchell\'s zebra, masai giraffe, pink-backed pelican, African fish eagle, Masai Mara Reserve, Amboseli NP, Mount Longenot, Masai warrior, Masai woman, Masai child, Masai cattle, Lake Manyara NP, Masai village, Lake Naivasha, gila woodpecker, curve-billed thrasher, turkey vulture, black vulture, American crow, carolina chickadee, titmouse, junco, snow bird, snowy plover, Thompson\'s gazelle, animal affection, animal grooming, northern bobwhite, cattail marshes, animals with young, animal babies, snow geese, canada geese, blue snow geese, bird flocks, marsh rabbit, brown water snake, snakes mating, snake with prey, loblolly pine forests, wild turkey, ring-necked pheasant, pine marten, American alligator, manatee, mangroves, great gray owl, northern saw-whet owl, owl regurgitating pellet, owl with prey, martial eagle, black phoebe, pickerell weed, cat-eyed snake, European starling, ground squirrel, common snipe, redwood trees, Muir Woods, blackburnian warbler, gray wolves, gray wolf, The White House, Smithsonian Institution, Smithsonian Air and Space Museum, Smithsonian Natural History Museum, Smithsonian Museum Exhibits, John Wilson Building, Heritage Foundation, northern harrier, yellow iris, yellow flag, jewel weed, Lake Louise, Lower Waterfowl Lake, Icefields Parkway, Red Rock Canyon and Parkway, turks cap lily, flowering dogwood, clapper rail, sandwich tern, tidal creek, eastern chipmunk, alligator snapping turtle, trumpet creeper, orange trumpet flower, honeysuckle, mocking bird, Anhinga Trail, Mrazek Pond, Eco Pond, Vermillion Lakes Banff NP, yellow-billed cacique, coyote jumping, fall tundra, St. John\'s Wort, hummingbirds bathing, Venus Florida heronry, urban wildlife, animals in cities, Sunwapta Falls Jasper NP, cicada emerging, cicada, amplexis, Eleuthera, Cecropia tree, black-faced vervet monkey, floating market of Curacao, Courland Bay Tobago, net fishing Courland Bay Tobago, Sarapiqui River Costa Rica, elegant antbird, Goto Lake Bonaire, Estero Lagoon Florida, green hermit, Whiskey Basin Wyoming, Wilson\'s plover, white-necked jacobin, slate-throated redstart, olive-backed euphonia, nightingale thrush, rufous naped wren, Alcatraz, Union Square San Francisco, lesser flamingo, greater flamingo, butterfly pea, Mammoth Hot Springs, animals running, song sparrow, catbird, Maryland yellowthroat, Mount Rundle, Castle Mountain, Mount Edith Cavell, Takakkaw Falls Yoho NP, Cathedral Crags Yoho NP, Cathedral Mountain Yoho NP, Kicking Horse River Natural Bridge, Emerald Lake Yoho NP, Mount Stephen Yoho NP, Moraine Lake Banff NP, Chateau Lake Louise, Columbia Icefied, Athabasca Glacier, Tangle Falls Banff NP, Goats and Glaciers Viewpoint Jasper Np, Athabasca River Alberta, Patricia Lake Jasper NP, Pyramid Lake and Mountain Jasper NP, Mount Robson Provincial Park BC, Prince of Wales Hotel Waterton Lakes, National Bison Range, golden-mantled ground squirrel, Washington-Slagbaai National Park Bonaire, Yellow-winged parrot, caribbean parakeet, tropical mockingbird, yellow oriole, Selva Verde Loge Costa Rica, Monteverde Lodge Costa Rica, clay lick Tambopata River, colpa Tambopata River, two-toed sloth, three-toed sloth, Selva Verde Lodge Costa Rica, claylick Tambopata River Peru, colpa Tambopata River Peru, Macaws parrots at clay lick, Absoraka Mountains Yellowstone National Park, Yellowstone Lake, Old Faithful Geyser, Grand Canyon of the Yellowstone, Lower Falls Yellowstone River, Upper Falls Yellowstone, phainopepla, bananaquit, red-winged blackbird, bufflehead, bald pate duck, cardinal flower, brant black spruce, delphinium, giant dahlia, marigold, Tabacon Hot Springs Costa Rica, Tamarindo National Park Costa Rica, Santa Elena Costa Rica, Tapanti National Park Costa Rica, Cape Hatteras National Seashore, Cape Hatteras Lighthouse, Ocracoke Island North Carolina, Hatteras Inlet, Currituck Sound North Carolina, Outer Banks North Carolina, Edisto South Carolina, Charleston South Carolina, Corolla North Carolina, Corolla Lighthouse North Carolina, Papua New Guinea, Mount Hagen Papua New Guinea, Tari Basin Papua New Guinea, Karawari River Papua New Guinea, Karawari Lodge, Ambua Lodge, Tari Gap, birds of paradise, bird of paradise, Raggiana bird of paradise, ribbon-tailed astrapia, Stephanie's astrapia, brown sicklebill, blue bird of paradise, Australian bustard, southern cassowary, Australian darter, Yokoim Tribe, Yokoim Village, spirit house, Huli Tribe, Huli wig man, Huli wigman, sing sing, Mount Hagen market, East Sepik Province Papua New Guinea, Southern Highlands Province Papua New Guinea,,,