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A sperm whale (Physeter macrocephalus), slapping the water with its tail fluke, Sri Lanka, Indian Ocean, Asia

Bigfin reef squid (Sepioteuthis lessoniana), tending eggs which have been laid along a buoy line, taken at dusk, Lembeh Strait, Indonesia, Southeast Asia, Asia

Bigfin reef squid (Sepioteuthis lessoniana), tending eggs which have been laid along a buoy line, taken at dusk, Lembeh Strait, Indonesia, Southeast Asia, Asia

Spotted porcelain crab (Neopetrolisthes maculatus) in anemone, Gorontalo, Sulawesi Indonesia, Southeast Asia, Asia

Short-head sabretooth (fang) blenny (Petroscirtes breviceps), peering from a discarded plastic bottle, Gorontalo, Indonesia, Southeast Asia, Asia

A Coconut Octopus (Amphioctopus marginatus), a species that gathers coconut and mollusk shells for shelter, Lembeh Strait, Sulawesi, Indonesia, Southeast Asia, Asia

Close-up head on view of a hawksbill sea turtle (Eretmochelys imbricata), Bunaken National Park, Sulawesi, Indonesia, Southeast Asia, Asia

Close-up view of a lionfish (Pterois volitans), Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

Close-up view of a Hawksbill sea turtle next to a red sea fan on a reef in Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

Close-up view of the underside of a Hawksbill sea turtle, complete with barnacles, on a reef in Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

Underside view of a giant oceanic manta ray (Mobula birostris), Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

A giant oceanic manta ray (Manta birostris) with beautiful distinct markings, topside view, Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

Schooling yellowmask surgeonfish (Acanthurus mata) and blue and yellow fusilier fish (Caesio teres) at the upstream side of Mike's Point, Raja Ampat, Indonesia, Southeast Asia, Asia

Thorny seahorse (Hippocampus histrix), side view, red and pink with yellow markings, Tulamben, Bali, Indonesia, Southeast Asia, Asia

A pair of white striped cleaner shrimp (Lysmata amboinensis), Tulamben, Bali, Indonesia, Southeast Asia, Asia

The Philippine tarsier (Tarsius syrichta), known locally as the Maumag, an endangered tarsier species endemic to the Philippines, Southeast Asia, Asia

Male manta ray with almost pure white ventral surface, may be a new species, for now known as Manta alfredi, Yum Balam Marine Protected Area, Quintana Roo, Mexico, North America

Dark Field Light Micrograph of a male Mosquito (Anopheles sp.), magnification x 65 (if print A4 size: 29.7 cm wide)

Baby African Elephant (Loxodonta africana) standing by its mother's leg, Addo Elephant National Park, South Africa, Africa

Bull Elk (Cervus canadensis) with the Flehmen response during the rut, Jasper National Park, Alberta, Canada, North America

River Otter (Lutra canadensis) in captivity, resting and sucking on its tail, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America

Northern Mojave Rattlesnake (Crotalus scutulatus scutulatus) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America

Male Spotted-backed weaver (Village weaver) (Ploceus cucullatus) building a nest, Hluhluwe Game Reserve, South Africa, Africa

Male lion (Panthera leo), showing tongue, AfriCat Foundation, Okonjima, Central Namibia, Namibia, Africa

Red Fox (Vulpes vulpes or Vulpes fulva) in the snow, Prospect Park, Wheatridge, Colorado, United States of America, North America

Great frigate bird (Sula nebouxii), Isla Lobos off Isla San Cristobal (San Cristobal Island), Galapagos Islands,UNESCO World Heritage Site, Ecuador, South America

Chacma Baboon (Papio ursinus) baring its teeth to show aggression, Kruger National Park, South Africa, Africa

Canadian Lynx (Lynx canadensis) in snow in captivity, near Bozeman, Montana, United States of America, North America

Pink flamingo (Phoenicopterus ruber), Cormorant Point, Isla Santa Maria (Floreana Island), Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Canadian Lynx (Lynx canadensis) in snow in captivity, near Bozeman, Montana, United States of America, North America

Southern Ground-Hornbill (Ground Hornbill) (Bucorvus leadbeateri), Kruger National Park, South Africa, Africa

Canadian Lynx (Lynx canadensis) in snow in captivity, near Bozeman, Montana, United States of America, North America

Galapagos sea lion (Zalophus wollebaeki), Gardner Bay, Isla Espanola (Hood Island), Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Marine iguana (Amblyrhynchus cristatus), Suarez Point, Isla Espanola (Hood Island), Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

A harlequin swimming crab (Lissocarcinus laevis), lives with this sea anemone in symbiosis, Philippines, Southeast Asia, Asia

A cleaner shrimp (Lysmata amboinensis), inspects the teeth of an undulated moray eel, Hawaii, United States of America, Pacific, North America

A pair of Atlantic bottlenose dolphins (Tursiops truncatus), in the Bahama Banks, Bahamas, Central America

Atlantic bottlenose dolphins (Tursiops truncatus), feeding on small fish, United States of America, North America

Atlantic bottlenose dolphin (Tursiops truncatus), Curacao, Netherlands Antilles, Caribbean, Central America

Sea star shimp (Periclimenes soror), on a crown-of-thorns starfish (Acanthaster planci), Yap, Micronesia, Pacific

Bubble coral shrimp (Vir philippinensis) on bubble coral (Plerogyra sp.), Philippines, Southeast Asia, Asia

A blackspotted puffer (Arothron nigropunctatus) curled up on the reef for the night, Philippines, Southeast Asia, Asia

Endangered Florida manatee (Trichechus manatus latirostris), at Three Sisters Spring in Crystal River, Florida, United States of America, North America

A hawksbill turtle (Eretmochelys imbricata), swims over a reef in the Pacific Ocean, Philippines, Southeast Asia, Asia

Green sea turtle getting its shell cleaned by goldring surgeonfish off Maui, Hawaii, United States of America, Pacific, North America

A female green sea turtle (Chelonia mydas), and schooling bigeye jacks (Caranx sexfasciatus), Malaysia, Southeast Asia, Asia

A hawksbill sea turtle (Eretmochelys imbricata), in a colorful overhang on a reef in the Koro Sea, Fiji, South Pacific, Pacific

Florida manatees (Trichechus manatus latirostris), gather at Three Sisters Springs in Crystal River, Florida, United States of America, North America

Several green sea turtles (Chelonia mydas) gather at a cleaning station off West Maui, Hawaii, United States of America, Pacific, North America

The porcelain crab (Neopetrolisthes maculatus), commensal in sea anemones, Philippines, Southeast Asia, Asia

A humpback whale (Megaptera novaeangliae), slaps the surface of the water with its tail, United States of America, Pacific, North America

A sea star shimp (Periclimenes soror), swims through a forest of spines on the back of a crown-of-thorns starfish, Micronesia, Pacific

A close-up of the underside of the crown-of-thorns starfish (Acanthaster planci), United States of America, North America

Jackass penguin (Speniscus demersus) (African penguin), Boulders Beach, Cape Town, South Africa, Africa

Two swift fox (Vulpes velox) kits, Pawnee National Grassland, Colorado, United States of America, North America

Stoat (Short-tailed weasel) (Mustela erminea), Mount Evans, Colorado, United States of America, North America

Swift fox (Vulpes velox) vixen and kit, Pawnee National Grassland, Colorado, United States of America, North America

Puffin (Fratercula arctica) at Latrabjarg, largest bird colony in Europe, West Fjords (Vestfirdir), Iceland, Polar Regions

Pallas cat (Otocolobus manul) close-up, controlled conditions, Kent, England, United Kingdom, Europe

Four barn swallow (Hirundo rustica) chicks chirping, Custer State Park, South Dakota, United States of America, North America

Tenebrionid beetle (Onymacris unguicularis), Namib desert, Sossusvlei, Nabib-Naukluft Park, Namibia, Africa

A Nile crocodile (Crocodylus niloticus) resting with open mouth at the water's edge, Kwai river, Moremi Wildlife reserve, Okavango Delta, Botswana, Africa

Black capped squirrel monkey (Saimiri boliviensis) alert on log, controlled conditions, United Kingdom, Europe

Western diamond-back rattlesnake (Western diamondback Rattlesnake) (Crotalus atrox) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America

Captive river otter (Lutra canadensis) swimming, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America

Harris's hawk (Parabuteo unicinctus) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America

Barn owl (Tyto alba) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America

Common bluebells (Hyacinthoides non-scripta) growing in Coed Cefn woods near Crickhowell, Brecon Beacons National Park, Powys, Wales, United Kingdom, Europe

Snow Leopard (Uncia uncia), in captivity, near Bozeman, Montana, United States of America, North America

Bobcat (Lynx rufus) in the snow, in captivity, near Bozeman, Montana, United States of America, North America

Common bluebells (Hyacinthoides non-scripta) growing in Coed Cefn woods, Brecon Beacons National Park, Powys, Wales, United Kingdom, Europe