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Juvenile alligator in swampland (bayou) at Jean Lafitte National Historical Park and Preserve, south of New Orleans, Louisiana, USA
Gray wolf (grey wolf), Canis lupus, Wildlife Preserve, Rheinhardswald, Germany, Europe
Gray wolf (grey wolf), Canis lupus, Wildlife Preserve, Rheinhardswald, Germany, Europe
Takin, national animal of Bhutan, Motithang Takin Preserve, Thimphu, Bhutan, Asia
Mount McKinley (Mount Denali) at sunset in the fall, Denali National Park and Preserve, Alaska, United States of America
Mount McKinley (Mount Denali), Denali National Park and Preserve, Alaska, United States of America, North America
Seventy Islands (Ngerukewid Islands Wildlife Preserve), forest-covered limestone rock, protected as a Nature Reserve, so can only be seen from the air, Palau, Micronesia, Western Pacific Ocean, Pacific
Seventy Islands (Ngerukewid Islands Wildlife Preserve), forest-covered limestone rock, protected as a Nature Reserve, so can only be seen from the air, Palau, Micronesia, Western Pacific Ocean, Pacific
Seventy Islands (Ngerukewid Islands Wildlife Preserve), forest-covered limestone rock, protected as a Nature Reserve, so can only be seen from the air, Palau, Micronesia, Western Pacific Ocean, Pacific
North American elk (Cervus Elaphus) and sand dunes, Great Sand Dunes National Park and Preserve, Sangre Cristo Mountains in background, Colorado, United States of America, North America
Johns Hopkins Inlet, Fairweather Range, Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
Mount McKinley with tundra in fall color, Denali National Park and Preserve, Alaska, United States of America, North America
Mount McKinley reflected in a pond, Denali National Park and Preserve, Alaska, United States of America, North America
Porcupine caribou (Grant's caribou) (Rangifer tarandus granti) cow among fall colors, Denali National Park and Preserve, Alaska, United States of America, North America
The Roman period Odeon building, Apollonia Archaeological Park, Pojan, Albania, Europe
Mountains and a stream through the tundra in fall color, Denali National Park and Preserve, Alaska, United States of America, North America
Grizzly bear (Ursus arctos horribilis) (Coastal brown bear) on a road with fall color, Denali National Park and Preserve, Alaska, United States of America, North America
A kayaker paddling in front of Lamplugh Glacier, Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Alaska, United States of America, North America
Hikers in front of Lamplugh Glacier, Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Alaska, United States of America, North America
Orange brown beech tree with autumn leaves, Savernake Forest, Wiltshire, England, United Kingdom, Europe
Grey crowned crane (Balearica regulorum). Amboseli National Park, Kenya, East Africa, Africa
View of lava fields and snow-capped peaks in the distance, Etna, Sicily, Italy, Mediterranean, Europe
Monument of Agonothetes (Bouleuterion), Roman 2nd century AD, Apollonia Archaeological Park, Pojan, Albania, Europe
Conservation protection of walls, Water gardens, Sigiriya Rock palace, UNESCO World Heritage Site, Central Province, Sri Lanka, Asia
Information panel about geology, La Isleta, Cabo de Gata national park, Almeria, Andalusia, Spain, Europe
Breeding pair of kelp geese (Chloephaga hybrida), Wildlife Conservation Society Preserve of Karukinka, Strait of Magellan, Chile, South America
Red fox (Vulpes vulpes) (Vulpes fulva), Denali National Park and Preserve, Alaska, United States of America, North America
Johns Hopkins Glacier calving, Fairweather Range, Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
Johns Hopkins Glacier calving, Fairweather Range, Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
Adult Andean condors (Vulture gryphus), Wildlife Conservation Society Preserve of Karukinka, Strait of Magellan, Chile, South America
Red squirrel (spruce squirrel) (Tamiasciurus hudsonicus), Denali National Park and Preserve, Alaska, United States of America
Mount McKinley (Mount Denali), Denali National Park and Preserve, Alaska, United States of America, North America
Sand dunes in the Great Sand Dunes National Park and Preserve, with Sangre Cristo Mountains in the background, Colorado, United States of America, North America
Young beaver (Castor canadensis) swimming, Denali National Park and Preserve, Alaska, United States of America, North America
Hiker on the sand dunes, Great Sand Dunes National Park and Preserve, with Sangre Cristo Mountains in the background, Colorado, United States of America, North America
Alaska Range, Denali National Park and Preserve, Alaska, United States of America, North America
Johns Hopkins Inlet, Fairweather Range, Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
Willow Ptarmigan (Lagopus lagopus), Katmai National Park and Preserve, Alaska, United States of America, North America
Mountains and tundra in fall color, Denali National Park and Preserve, Alaska, United States of America, North America
Hikers on the sand dunes, Great Sand Dunes National Park and Preserve, with Sangre Cristo Mountains in the background, Colorado, United States of America, North America
Great Sand Dunes and mountains with snow, Great Sand Dunes National Park and Preserve, Colorado, United States of America, North America
Sand dunes, Great Sand Dunes National Park and Preserve, with Sangre Cristo Mountains in the background, Colorado, United States of America, North America
Adult black-browed Albatross (Thalassarche melanophrys), Wildlife Conservation Society Preserve of Karukinka, Strait of Magellan, Chile, South America
Countryside landscape, near Huebro, Ruta del Agua, Sierra Alhamilla mountains, Nijar, Almeria, Andalusia, Spain, Europe
Grizzly bear (Ursus arctos horribilis) (Coastal brown bear) dripping wet while fishing, Katmai National Park and Preserve, Alaska, United States of America, North America
King cormorant (Phalacrocorax albiventer), Wildlife Conservation Society Preserve of Karukinka, Strait of Magellan, Chile, South America
Tundra in fall colors, Denali National Park and Preserve, Alaska, United States of America, North America
Great Sand Dunes late in the afternoon, Great Sand Dunes National Park and Preserve, Colorado, United States of America, North America
Great Sand Dunes and mountains with snow, Great Sand Dunes National Park and Preserve, Colorado, United States of America, North America
Vendicari Wildlife Oasis, Noto, Syracuse, Sicily, Italy, Mediterranean, Europe
Solitary sandpiper (Tringa solitaria), Katmai National Park and Preserve, Alaska, United States of America, North America
Sand dunes, Great Sand Dunes National Park and Preserve, Colorado, United States of America, North America
Johns Hopkins Inlet, Fairweather Range, Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
Beaver (Castor canadensis) swimming, Denali National Park and Preserve, Alaska, United States of America, North America
Adult snail kite (Rostrhamus sociabilis), in the Pacaya Samiria Preserve, Loreto, Peru, South America
Alaskan brown bear (Ursus middendorffi), Katmai National Park and Preserve, Alaska, United States of America, North America
Adult yellow-spotted river turtles, Podocnemis unifilis, basking in the sun within the Pacaya-Samiria Preserve, Peru.
Adult yellow-spotted river turtles, Podocnemis unifilis, basking in the sun within the Pacaya-Samiria Preserve, Peru.
Adult green anaconda, Eunectes murinus, curled up in a creek deep within the Pacaya Samiria Preserve, Peru.
Adult black-skinned parrot snake, Leptophis ahaetulla nigromarginatus, deep within the Pacaya Samiria Preserve, Peru.
Adult black-skinned parrot snake, Leptophis ahaetulla nigromarginatus, deep within the Pacaya Samiria Preserve, Peru.
Adult black-skinned parrot snake, Leptophis ahaetulla nigromarginatus, deep within the Pacaya Samiria Preserve, Peru.
Adult black-skinned parrot snake, Leptophis ahaetulla nigromarginatus, deep within the Pacaya Samiria Preserve, Peru.
Local preserve ranger station in a national park deep within the Pacaya Samiria Preserve, Peru.
Local preserve signage in a national park deep within the Pacaya Samiria Preserve, Peru.
Local people in a panga style boat deep within the Pacaya Samiria Preserve, Peru.
Adult proboscis bats, Rhynchonycteris naso, roosting during the day deep within the Pacaya Samiria Preserve, Peru.
The night sky from deep within the Pacaya Samiria Preserve, Peru.
Adult saddleback tamarin, Saguinus fuscicollis, leaping in a tree within the Pacaya Samiria Preserve, Peru.
Adult saddleback tamarin, Saguinus fuscicollis, climbing in a tree within the Pacaya Samiria Preserve, Peru.
Adult saddleback tamarin, Saguinus fuscicollis, climbing in a tree within the Pacaya Samiria Preserve, Peru.
Adult saddleback tamarin, Saguinus fuscicollis, climbing in a tree within the Pacaya Samiria Preserve, Peru.
A pair of adult Isabel's monk saki monkeys, Pithecia isabela, feeding in a tree within the Pacaya Samiria Preserve, Peru.
A pair of adult Isabel's monk saki monkeys, Pithecia isabela, feeding in a tree within the Pacaya Samiria Preserve, Peru.
An adult Isabel's monk saki monkey, Pithecia isabela, leaping in a tree within the Pacaya Samiria Preserve, Peru.
An adult Isabel's monk saki monkey, Pithecia isabela, sitting in a tree within the Pacaya Samiria Preserve, Peru.
An adult common woolly monkey, Lagothrix lagothricha, climbing in a tree within the Pacaya Samiria Preserve, Peru.
An adult common squirrel monkey, Saimiri sciureus, leaping from tree to tree within the Pacaya Samiria Preserve, Peru.
An adult captive brown capuchin monkey, Sapajus apella, climbing in a tree within the Pacaya Samiria Preserve, Peru.
An adult captive brown capuchin monkey, Sapajus apella, climbing in a tree within the Pacaya Samiria Preserve, Peru.
An adult captive brown capuchin monkey, Sapajus apella, climbing in a tree within the Pacaya Samiria Preserve, Peru.
An adult brown capuchin monkey, Sapajus apella, climbing in a tree within the Pacaya Samiria Preserve, Peru.
An adult brown capuchin monkey, Sapajus apella, leaping in a tree within the Pacaya Samiria Preserve, Peru.
An adult northern caiman lizard, Dracaena guianensis, basking in a tree within the Pacaya Samiria Preserve, Peru.
An adult Linnaeus's two-toed sloth, Choloepus didactylus, climbing a tree within the Pacaya Samiria Preserve, Peru.
An adult spider, Phoneutria boliviensis, hanging from its web within the Pacaya Samiria Preserve, Peru.
An adult daddy longlegs spider, Tribe Discosomaticini, on a tree at night within the Pacaya Samiria Preserve, Peru.
An adult spider, Alpaida veniliae, in its web within the Pacaya Samiria Preserve, Peru.
An adult spider, Genus Sadala, on a tree at night within the Pacaya Samiria Preserve, Peru.
An adult spider, Alpaida veniliae, in its web within the Pacaya Samiria Preserve, Peru.
Adult American nursery web spider, Pisaurina mira, feeding on a wasp within the Pacaya Samiria Preserve, Peru.
Adult spider, Ancylometes rufus, on a leaf within the Pacaya Samiria Preserve, Peru.
Adult spider, Ancylometes rufus, on a tree within the Pacaya Samiria Preserve, Peru.
Adult spider, Ancylometes rufus, on a leaf within the Pacaya Samiria Preserve, Peru.
Great pondhawk, Erythemis vesiculosa, on a leaf in the undergrowth within the Pacaya Samiria Preserve, Peru.
Adult Brazillian wandering spider, Phoneutris boliviensis, on a tree within the Pacaya Samiria Preserve, Peru.
Adult Brazillian wandering spider, Phoneutris boliviensis, on a tree within the Pacaya Samiria Preserve, Peru.
Adult Ecuadorian brown velvet tarantula, Megaphobema velvetosoma, on a leaf within the Pacaya Samiria Preserve, Peru.
Adult Ecuadorian brown velvet tarantula, Megaphobema velvetosoma, on a stump within the Pacaya Samiria Preserve, Peru.
Adult Ecuadorian brown velvet tarantula, Megaphobema velvetosoma, on a leaf within the Pacaya Samiria Preserve, Peru.