1387-992 - Christmas tree worms (Spirobranchus giganteus) on brain coral, Saint Croix, U.S. Virgin Islands.

1387-955 - Snowflake moray eel (Echidna nebulosa) in Costa Rica.

1387-954 - Snowflake moray eel (Echidna nebulosa) in Costa Rica.

1387-950 - Golden cuttlefish, Lembeh Strait, Indonesia.

1387-1363 - Red goby sitting motionless on whip coral, Fiji.

1387-1362 - Red goby sitting motionless on whip coral, Fiji.

1387-1361 - Red goby sitting motionless on whip coral, Fiji.

1387-1307 - Front view of a white-eyed moray eel (Siderea thysoidea), Komodo National Park, Indonesia.

1387-1306 - Head on view showing cerata on an aeolid nudibranch, Pteraeolidia ianthina, in Komodo National Park, Indonesia.

1387-1304 - Ladybug amphipod, Cyproidea species, side view, taken at Cannibal Rock, Komodo National Park, Indonesia.

1387-1285 - Red sea clownfish (Amphiprion bicinctus), Red Sea, Egypt.

1387-1277 - Red sea clownfish (Amphiprion bicinctus), Red Sea, Egypt.

1387-1276 - Chromodoris Annulata nudibranch, Red Sea, Egypt.

1387-1141 - Pair of Chromodoris annae nudibranch with brilliant blue and yellow skirt, crawling over green and pink coral, Anilao, Batangas, Philippines.

1387-1003 - A tiny goby with large pink eyes rests on the tips of branching coral, Anilao, Philippines.

1387-1002 - A soft coral crab, sometimes known as a candy crab, Anilao, Philippines.

1178-44731 - Rock sandpiper (Calidris ptilocnemis) feeding on rocks

1243-609 - Selective focus view of the beach with fishing town of Nazare in the background, known for the largest waves in the world, Nazare, Oeste, Estremadura, Portugal, Europe

1387-737 - Denise's pygmy seahorse (Hippocampus denise), Kimbe Bay, Papua New Guinea.

1387-714 - Sea anemone, Bohol Sea, Philippines.

832-404657 - Detail of the monument to german poet Friedrich Schiller in Gendarmenmarkt Square in Berlin and French Dome in the background. Selective focus

1387-675 - A damselfish being eaten by a lizardfish, Anilao, Philippines.

1387-674 - A lizardfish chomps down on a dragonet, Anilao, Philippines.

1387-645 - A tiny hard coral crab can be found burrowing in between the polyps of the coral, Anilao, Philippines.

1387-642 - A colorful tiger shrimp ventures from its home under rubble for only a few seconds, Anilao, Philippines.

1387-639 - A Doriprismatica nudibranch face on portrait, Anilao, Philippines.

1387-626 - A pregnant pygmy seahorse clings to a frond of a gorgonian fan, Anilao, Philippines.

1387-625 - A juvenile broadclub cuttlefish about the size of a human thumb, Anilao, Philippines.

1387-623 - Bubble coral shrimp, Anilao, Philippines.

1387-601 - The curled arm of a crinoid, Anilao, Philippines.

1387-599 - A very small (2-3mm) nudibranch in its natural habitat, Tulamben, Bali, Indonesia.

1387-556 - A small, well-camouflaged cuttlefish, Sepia sp., hovers on a rocky seafloor in the Banda Sea, Indonesia.

1387-523 - A juvenile painted spiny lobster, Panulirus versicolor, inhabits a crevice on a reef amid the tropical islands of Raja Ampat, Indonesia.

1387-516 - A velvetfish, Paraploactis sp., waits for prey to swim by in Lembeh Strait, Indonesia.

1387-514 - A well-camouflaged Mototi octopus, Octopus sp., hides in plain view on the sandy seafloor in Lembeh Strait, Indonesia.

1387-488 - A beautiful nudibranch, Bornella anguilla, crawls over black sand in Komodo National Park, Indonesia. This rare nudibranch can swim over short distances quite well.

1387-461 - A banded sea krait, Laticauda colubrina, searches for prey on a coral reef in Raja Ampat, Indonesia. This tropical area is known for its extraordinary marine biodiversity and is a popular destination for divers and snorkelers.

1387-444 - A vibrant nudibranch, Phyllidia sp., feeds on sponges on a coral reef in the remote, tropical islands of Raja Ampat, Indonesia.

1387-442 - A vibrant nudibranch, Chromodoris sp., crawls across a coral reef in the remote, tropical islands of Raja Ampat, Indonesia.

1387-402 - A small striped dwarf goby, Trimma striatum, sits on a coral colony in Alor, Indonesia.

1387-244 - A hairy frogfish (Antennarius striatus) uses its incredible camouflage to successfully capture prey in Lembeh Strait, Indonesia.

1387-243 - A beautiful set of tiny tunicates grows on a reef in Indonesia.This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.

1387-238 - A live sundial shell (Architectonica perspectiva) crawls across the seafloor in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

1387-156 - Striped blenny perched on rock, Solomon Islands, South Pacific, Pacific

1387-117 - Mandarinfish (Synchiropus splendidus), Yap, Micronesia, Pacific

1387-114 - Trumpetfish (Aulostomus chinensis) attempting to conceal itself in a school of milletseed butterflyfish, United States of America, North America

1387-100 - The oval squid (Sepioteuthis lessoniana), Hawaii, United States of America, Pacific, North America

1387-69 - The shell of Hawaiian reef lobster (Enoplometopus occidentalis), covered in algae and parasitic barnacles, Hawaii, United States of America, Pacific, North America

1387-60 - A clown triggerfish (Balistoides conspicillum) above soft coral, Yap, Micronesia, Pacific

1387-58 - Great barracuda (Sphyraena barracuda), Hawaii, United States of America, Pacific, North America

1387-56 - A plumed scorpionfish (Scorpaena grandicornis), off Singer Island in Florida, United States of America, North America

1387-48 - The male oval squid (Sepioteuthis lessoniana), can reach 14 inches in length, Hawaii, United States of America, Pacific, North America

741-6607 - Portrait of a leopard (Panthera pardus), Savuti, Chobe National Park, Botswana, Africa

1387-14 - Tiny skeleton shrimp, Caprella sp., possibly Caprella linearis, Philippines, Southeast Asia, Asia

1387-11 - A breaching humpback whale (Megaptera novaeangliae), Hawaii, United States of America, Pacific, North America

1116-53671 - Paraplegic man in a manual wheelchair limited at a curb with his service dog outside of a residential building, Boynton Beach, Florida, United States of America

1116-53668 - Paraplegic man with forearm crutches and service dog enjoys the ocean view from a boardwalk, with dog standing up against the wooden railing, Boynton Beach, Florida, United States of America

1116-53667 - Paraplegic man in wheelchair with service dog enjoys the ocean view from a boardwalk, Boynton Beach, Florida, United States of America

1116-53666 - Paraplegic man in wheelchair with service dog enjoys the ocean view from a boardwalk, Boynton Beach, Florida, United States of America

1116-53665 - Paraplegic man in a manual wheelchair at the bottom of steps with his service dog outdoors at a recreation area, both looking at the steps and the problem of inaccessibility, Boynton Beach, Florida, United States of America

1116-53582 - Orangutan (Pongo species) on a branch of a tree in Tanjung Puting National Park, Central Kalimantan, West Kotawaringin Regency, Indonesia

1116-53558 - Orangutan (Pongo species) with a mouthful of bananas in Tanjung Puting National Park, Central Kalimantan, West Kotawaringin Regency, Indonesia

1116-53559 - Orangutan (Pongo species) with a mouthful of bananas in Tanjung Puting National Park, Central Kalimantan, West Kotawaringin Regency, Indonesia

1116-53554 - Ape stands on a wooden platform in the rainforest with a contemplative expression in Mount Halimun Salak National Park in Indonesia, West Java, Indonesia

1116-53553 - Low angle view of an Ape climbing between trees in the rainforest of Mount Halimun Salak National Park in Indonesia, West Java, Indonesia

1116-53550 - Ape peeking out behind the foliage in the forest of Mount Halimun Salak National Park in Indonesia, West Java, Indonesia

1116-53551 - Ape hanging of a tree in the rainforest of Mount Halimun Salak National Park in Indonesia, West Java, Indonesia

1116-53549 - Ape in a forest in Mount Halimun Salak National Park in Indonesia, West Java, Indonesia

1116-53547 - Vehicle rear view mirror reflects a mountain range on a sunny day in Kazbegi National Park, Georgia

1116-53486 - Avenue of Sphinxes at Luxor Temple, Luxor, Egypt

1116-53442 - Two klipspringers (Oreotragus oreotragus) lie on kopje at sunrise in Serengeti National Park, Tanzania

1116-53441 - Two cheetahs (Acinonyx jubatus) sit staring on grassy plain in Serengeti National Park, Tanzania

1116-53435 - Two black-backed jackals (Canis mesomelas) stand nibbling gazelle carcase in Serengeti National Park, Tanzania

1116-53430 - Thomson's gazelle (Eudorcas thomsonii) stands watching camera on savannah in Serengeti National Park, Tanzania

1116-53425 - Spotted hyena (Crocuta crocuta) stands watching camera in savannah in Serengeti National Park, Tanzania

1116-53424 - Spotted hyena (Crocuta crocuta) stands on kopje watching camera in Serengeti National Park, Tanzania

1116-53422 - Spotted hyena (Crocuta crocuta) lies on bank with another in Serengeti National Park, Tanzania

1116-53421 - Spotted hyena (Crocuta crocuta) lies on bank watching camera in Serengeti National Park, Tanzania

1116-53419 - Secretary bird (Sagittarius serpentarius) spreads wings above tawny eagle (Aquila rapax) in Serengeti National Park, Tanzania

1116-53418 - Secretary bird (Sagittarius serpentarius) and tawny eagle (Aquila rapax) with kill in Serengeti National Park, Tanzania

1116-53411 - Plains zebra (Equus quagga) walks across savannah in sunshine in Serengeti National Park, Tanzania

1116-53403 - Panorama of three spotted hyena (Crocuta crocuta) on kopje in Serengeti National Park, Tanzania

1116-53399 - Panorama of cheetah (Acinonyx jubatus) sitting on grassy horizon in Serengeti National Park, Tanzania

1116-53397 - Olive baboon (Papio anubis) sits on log watching camera in Serengeti National Park, Tanzania

1116-53392 - Male lion and lioness (Panthera leo) stand by kill in Serengeti National Park, Tanzania

1116-53390 - Lioness (Panthera leo) lies watching camera by tree trunk in Serengeti National Park, Tanzania

1116-53389 - Lioness (Panthera leo) lies on high rock watching camera in Serengeti National Park, Tanzania

1116-53388 - Lioness (Panthera leo) lies crouching on rock watching camera in Serengeti National Park, Tanzania

1116-53381 - Leopard (Panthera pardus) lies under shady rock opening mouth in Serengeti National Park, Tanzania

1116-53379 - Leopard (Panthera pardus) lies in long grass looking right in Serengeti National Park, Tanzania

1116-53380 - Leopard (Panthera pardus) lies under shady rock near bushes in Serengeti National Park, Tanzania

1116-53378 - Lappet-faced vulture (Torgos tracheliotos) opens wings on grassy plain in Serengeti National Park, Tanzania

1116-53367 - Cheetah (Acinonyx jubatus) walks past line of blue wildebeest in Serengeti National Park, Tanzania

1116-53362 - Cheetah (Acinonyx jubatus) sits in savannah looking toward camera in Serengeti National Park, Tanzania

1116-53358 - Blue wildebeest (Connochaetes taurinus) stands watching cheetah (Acinonyx jubatus) on grassland in Serengeti National Park, Tanzania

1116-53353 - Black-necked spitting cobra (Naja nigricollis) lifts head off grass in Serengeti National Park, Tanzania

1116-53352 - Black-backed jackal (Canis mesomelas) stands with kill watching camera in Serengeti National Park, Tanzania

1116-53330 - Blue wildebeest (Connochaetes taurinus) herd races across shallow river in Serengeti National Park, Tanzania

1116-53319 - Close-up portrait of a male willow ptarmigan (Lagopus lagopus) showing early breeding colors in its neck and eye combs, surveying its high-country territory in Southcentral Alaska's Chugach Mountains on an April day. The head and neck will become completely chocolate-brown as the bird's breeding colors develop, Alaska, United States of America

1116-53318 - Close-up portrait of a Canada Lynx (Lynx canadensis) looking at the camera through the branches of a Southcentral Alaska alder thicket. Lynx populations are closely linked to booms and busts in the numbers of their main prey the snowshoe hare, Alaska, United States of America