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Three adult cobalt-winged parakeets, Brotogeris cyanoptera, perched on a tree within the Pacaya Samiria Preserve, Peru.

An adult cobalt-winged parakeet, Brotogeris cyanoptera, perched on a tree within the Pacaya Samiria Preserve, Peru.

An adult cobalt-winged parakeet, Brotogeris cyanoptera, perched on a tree within the Pacaya Samiria Preserve, Peru.

An adult chestnut-eared aracari, Pteroglossus castanotis, perched on a tree within the Pacaya Samiria Preserve, Peru.

A pair of adult capped herons, Pilherodius pileatus, on the riverbank within the Pacaya Samiria Preserve, Peru.

An adult chestnut-eared aracari, Pteroglossus castanotis, perched on a tree within the Pacaya Samiria Preserve, Peru.

A trio of adult capped herons, Pilherodius pileatus, on the riverbank within the Pacaya Samiria Preserve, Peru.

An adult capped heron, Pilherodius pileatus, on the riverbank within the Pacaya Samiria Preserve, Peru.

An adult capped heron, Pilherodius pileatus, taking flight within the Pacaya Samiria Preserve, Peru.

An adult capped heron, Pilherodius pileatus, on the riverbank within the Pacaya Samiria Preserve, Peru.

A pair of adult capped herons, Pilherodius pileatus, perched in a tree within the Pacaya Samiria Preserve, Peru.

Adult buff-throated Woodcreeper, Xiphorhynchus guttatus, perched on a tree within the Pacaya Samiria Preserve, Peru.

Adult brown-chested martin, Progne tapera, perched on a tree within the Pacaya Samiria Preserve, Peru.

Adult buff-throated Woodcreeper, Xiphorhynchus guttatus, perched on a tree within the Pacaya Samiria Preserve, Peru.

Adult bluish-fronted jacamar, Galbula cyanescens, in a tree within the Pacaya Samiria Preserve, Peru.

Adult brown-chested martins, Progne tapera, perched on a tree within the Pacaya Samiria Preserve, Peru.

Adult bluish-fronted jacamar, Galbula cyanescens, in a tree within the Pacaya Samiria Preserve, Peru.

Adult blue-headed parrot, Pionus menstruus, feeding in a tree within the Pacaya Samiria Preserve, Peru.

Male Gambel's Quail (Callipepla gambelii) scratching for food, Henderson Bird Viewing Preserve, Henderson, Nevada, United States of America, North America

El Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe

Tall hoodoo towers in the valley below Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Prambanan Temple Compounds, UNESCO World Heritage Site, region of Yogyakarta, Java island, Indonesia, Southeast Asia, Asia

The Little Teepees on the north side of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

East slopes of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Beaver (Castor canadensis) swimming with food, Denali National Park and Preserve, Alaska, United States of America, North America

Snow-capped mountains and tundra in fall color, Denali National Park and Preserve, Alaska, United States of America, North America

Juvenile Dall Sheep (Ovis dalli) and lamb among fall color, Denali National Park and Preserve, Alaska, United States of America, North America

Grizzly bear (Ursus arctos horribilis) (Coastal brown bear) walking in a stream, Katmai National Park and Preserve, Alaska, United States of America, North America

Magellanic penguins (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

Saguaro cactus (Carnegiea gigantea), photographed at sunrise in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America

Fruiting saguaro cactus (Carnegiea gigantea), in bloom in June, Sweetwater Preserve, Tucson, Arizona, United States of America, North America

Flowering cholla cactus (Cylindropuntia spp), in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America

Sunrise on saguaro cactus in bloom (Carnegiea gigantea), Sweetwater Preserve, Tucson, Arizona, United States of America, North America

Crescent Lake, Lake Clark National Park and Preserve, Alaska, United States of America, North America

Lamplugh Glacier, a tidewater glacier in Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America

Portrait of young woman wearing dry mud, used to preserve the skin and protect from the sun, Isalo, Madagascar, Africa

Garibaldi refuge in Adamello Park in summer, Vallecamonica, Brescia province, Lombardy district, Italy, Europe

Rana El Zein, Deputy Director at AFALULA, and White saxaul (Haloxylon persicum), Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia

Ice flower sculpted by wind at Stokla pass (4900m), Hemis National Park, Ladakh region, state of Jammu and Kashmir, India, Asia

Nurse sharks (Ginglymostoma cirratum), massing in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Spotted eagle ray (Aetobatus narinari), Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

An adult brown bear (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America

Grizzly bear (Ursus horribilis) in the fall, Denali National Park and Preserve, Alaska, United States of America, North America

A view of South Marble Island in Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Southeast Alaska, United States of America, North America

Tre Cime (Drei Zinnen), Tre Cime Nature Preserve (Parco Naturale Tre Cime), UNESCO World Heritage Site, Dolomites, Italy, Europe

A view of the island of Bartolome in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

St Michael's Mount in early morning light, seen across the beach at Marazion, near Penzance, Cornwall, Great Britain.

Horse-eye jacks (Caranx latus), schooling in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Horse-eye jacks (Caranx latus), schooling in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Horse-eye jacks (Caranx latus), schooling in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Mangrove snappers (Lutjanus griseus), schooling in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), massing in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), massing in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse shark (Ginglymostoma cirratum), on the sand in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Nurse shark (Ginglymostoma cirratum), on the sand in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize