Pete Oxford / Kaieteur Falls is the world's widest single drop waterfall, located on the Potaro river in the Kaieteur National Park, in Essequibo, Guyana, South America

Pete Oxford / Nurse Shark (Ginglymostoma cirratum) Hol Chan Marine Reserve, Belize Barrier Reef, Belize.

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform), Cenderawasih Bay, West Papua, Indonesia. Winner of the Man and Nature Portfolio Award in the Terre Sauvage Nature Images Aw...

Pete Oxford / Whale Shark (Rhincodon typus) and Golden trevally (Gnathanodon speciosus) Cenderawasih Bay, West Papua, Indonesia.

Pete Oxford / Whale Shark (Rhincodon typus) with scuba diver, Cenderawasih Bay, West Papua, Indonesia.

Pete Oxford / Whale shark (Rhincodon typus) front view portrait, Cenderawasih Bay, West Papua. Indonesia.

Pete Oxford / Whale Shark (Rhincodon typus) close up of spotted skin, with Golden trevally (Gnathanodon speciosus) Cenderawasih Bay, West Papua, Indonesia.

Pete Oxford / Whale shark (Rhincodon typus) and scuba divers seen from below, Cenderawasih Bay, West Papua. Indonesia.

Pete Oxford / Whale shark (Rhincodon typus) and scuba divers seen from below, Cenderawasih Bay, West Papua. Indonesia. Winner of the Man and Nature Portfolio Award in the Terre Sauvage Nature Images Awards Competit...

Pete Oxford / Whale shark (Rhincodon typus) Cenderawasih Bay, West Papua. Indonesia.

Pete Oxford / Tiger tree frog (Hyloscirtus tigrinus) captive, endemic to Ecuador.

Pete Oxford / San Lucas marsupial frog (Gastrotheca pseustes) captive, occurs in Ecuadorian Andes.

Pete Oxford / Puff Adder (Bitis arietans) near wetland, Marakele National Park, Limpopo, South Africa

Pete Oxford / Spotted Eagle Ray (Aetobatus narinari) group, Santa Fe Island, Galapagos Islands, Ecuador

Pete Oxford / Spotted Scorpionfish (Scorpaena plumieri) camouflaged in rocks near King Angelfish (Holacanthus passer), Tower Island, Galapagos Islands, Ecuador

Pete Oxford / Flightless Cormorant (Phalacrocorax harrisi) foraging, Punta Moreno, Isabela Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) grazing on algae, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Brown Pelican (Pelecanus occidentalis) on water, Urbina Bay, Isabela Island, Galapagos Islands, Ecuador

Pete Oxford / Long-tailed Sylph (Aglaiocercus kingi) male, western slope of Andes, Ecuador

Pete Oxford / Rusty-tipped Page (Siproeta epaphus) chrysalis, Mashpi Rainforest Biodiversity Reserve, Pichincha, Ecuador, sequence 1 of 3

Pete Oxford / Long-tailed Sylph (Aglaiocercus kingi) male, Mashpi Rainforest Biodiversity Reserve, Pichincha, Ecuador

Pete Oxford / Velvet-purple Coronet (Boissonneaua jardini) male, Mashpi Rainforest Biodiversity Reserve, Pichincha, Ecuador

Pete Oxford / Pale-mandibled Aracari (Pteroglossus erythropygius), Mashpi Rainforest Biodiversity Reserve, Pichincha, Ecuador

Pete Oxford / Pale-mandibled Aracari (Pteroglossus erythropygius), Mashpi Rainforest Biodiversity Reserve, Pichincha, Ecuador

Pete Oxford / Pale-mandibled Aracari (Pteroglossus erythropygius) trio, Mashpi Rainforest Biodiversity Reserve, Pichincha, Ecuador

Pete Oxford / Thoas Swallowtail (Papilio thoas) butterfly, Mindo Cloud Forest, Ecuador

Pete Oxford / Alpaca (Lama pacos) pair, Antisana Ecological Reserve, Ecuador

Pete Oxford / White Rhinoceros (Ceratotherium simum) mother and calf with Red-billed Oxpeckers (Buphagus erythrorhynchus), South Africa

Pete Oxford / Ayangaik Mountain, Pacaraima Mountains, Guyana

Pete Oxford / River in rainforest, Kaieteur Falls, Potaro River, Kaieteur National Park, Guyana

Pete Oxford / Blue tailing ponds left from bauxite mine, Linden, Guyana

Pete Oxford / Clouds between tepuis, Mount Roraima, Pacaraima Mountains, Guyana

Pete Oxford / Coastal wetland, Abari Swamps, Guyana

Pete Oxford / Potaro River cutting through Kaieteur Gorge, Kaieteur National Park, Guyana

Pete Oxford / Kaieteur Falls, Potaro River, Kaieteur National Park, Guyana

Pete Oxford / Kaieteur Falls where the Potaro River runs into the Essequibo River, Kaieteur National Park, Guyana

Pete Oxford / Rice (Oryza sp) fields, Guyana

Pete Oxford / Rainforest canopy, Rupununi, Guyana

Pete Oxford / Bottle Mountain rising out of rainforest, Rupununi, Guyana

Pete Oxford / River in rainforest, Essequibo River, Rupununi, Guyana

Pete Oxford / Cloud forest canopy, Andes, Ecuador

Pete Oxford / Osborne's Lancehead (Bothrops osbornei) juvenile showing differently colored tail tip used for caudal luring, native to South America

Pete Oxford / Fer-de-lance (Bothrops asper), native to South America

Pete Oxford / Whale Shark (Rhincodon typus) and Golden Trevally (Gnathanodon speciosus) school, Cenderawasih Bay, West Papua, Indonesia

Pete Oxford / Whale Shark (Rhincodon typus) filter feeding at floating fishing platform, Cenderawasih Bay, West Papua, Indonesia

Pete Oxford / Whale Shark (Rhincodon typus), Cenderawasih Bay, West Papua, Indonesia

Pete Oxford / Whale Shark (Rhincodon typus), Cenderawasih Bay, West Papua, Indonesia

Pete Oxford / Marsupial Frog (Gastrotheca riobambae) tadpole, native to South America