Sergey Gorshkov / Brown Bear (Ursus arctos) shaking off water, Kamchatka, Russia
00440384
Vincent Grafhorst / Burchell's Zebra (Equus burchellii) herd, Makgadikgadi, Botswana
00440383
Vincent Grafhorst / Burchell's Zebra (Equus burchellii) calling in dust, Makgadikgadi, Botswana
00440288
Vincent Grafhorst / Red-billed Quelea (Quelea quelea) silhouetted flock flying at sunset, Mokolodi Nature Reserve, Botswana
00440206
Vincent Grafhorst / Rufous-naped Lark (Mirafra africana) singing on a signpost, Central Kalahari Game Reserve, Deception Valley, Botswana
00440202
Vincent Grafhorst / White-breasted Cormorant (Phalacrocorax lucidus) silhouetted by a setting sun, Botswana
00445669
Richard Du Toit / Blue Wildebeest (Connochaetes taurinus) males sparring, Kalahari, South Africa
00446183
ZSSD / Pink-backed Pelican (Pelecanus rufescens) with extended pouch, native to Africa
00445533
Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male at sunset, Galapagos Islands, Ecuador
00443772
Murray Cooper / Buff-tailed Sicklebill (Eutoxeres condamini) on moss-covered branch, Ecuador
00443736
Murray Cooper / Treehopper (Guayaquila sp) group guarded by Ponerine Ants (Ectatomma tuberculatum), Ecuador
00443421
Murray Cooper / Sunset over rainforest, Amazon, Ecuador
00443242
Murray Cooper / Treehopper (Bocydium sp) group, Amazon, Ecuador
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Murray Cooper / Cloud forest on the western slopes of Andes, Maquipucuna Reserve, Ecuador
00443320
Murray Cooper / Hoatzin (Opisthocomus hoazin) climbing up branch, Amazon, Colombia
00443255
Murray Cooper / Tiger Moth (Arctiidae) caterpillar with long hairs, Amazon, Ecuador
00443027
Steve Gettle / Common Loon (Gavia immer) and chick at sunrise, nothern Michigan
00443213
Murray Cooper / Heliconius Butterfly (Heliconius sp) silhouette
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Murray Cooper / Coast Redwood (Sequoia sempervirens) forest in morning mist, Humboldt Redwoods State Park, California
00444145
Tui De Roy / Flightless Cormorant (Phalacrocorax harrisi) drying wings, Galapagos Islands, Ecuador
00444144
Tui De Roy / Flightless Cormorant (Phalacrocorax harrisi) drying wings, Galapagos Islands, Ecuador
00443007
Sebastian Kennerknecht / Pride of Madeira (Echium candicans) flowering, Big Sur, California
00442795
Jim Brandenburg / Standing Stones at sunrise, Carnac, Brittany, France
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Konrad Wothe / Winter scene on Arber Mountain, Bavaria, Germany
00442148
Ingo Arndt / Common Starling (Sturnus vulgaris) mass arriving at roost, Rome, Italy
00442131
Ingo Arndt / Caribou (Rangifer tarandus) herd crossing a river during summer migration, Arctic National Wildlife Refuge, Alaska
00442079
Ingo Arndt / Midge (Chironomidae) swarm, France
00441716
Steve Gettle / Sandhill Crane (Grus canadensis) trio flying, Bosque del Apache National Wildlife Refuge, New Mexico
00441708
Steve Gettle / Sandhill Crane (Grus canadensis) flock flying, Bosque del Apache National Wildlife Refuge, New Mexico
00441994
Konrad Wothe / Icebergs at sunrise, Antarctica
00442369
Tui De Roy / Impala (Aepyceros melampus) male with dawn sky, Loisaba Wilderness, Kenya
00442290
Pete Oxford / Spanish Lynx (Lynx pardinus) researcher, Leonardo Fernandez Pena, radio tracking, Donana National Park, Huelva, Andalusia, Spain
00441017
Yva Momatiuk & John Eastcott / Snow Goose (Chen caerulescens) and Sandhill Cranes (Grus canadensis) feeding and roosting in pond seeking protection from predators at sunset, Bosque del Apache National Wildlife Refuge, New Mexico
Hiroya Minakuchi / Jellyfish (Mastigias sp) group swimming, Jellyfish Lake, Palau
00438284
Ingo Arndt / Caribou (Rangifer tarandus) bull crossing a river during summer migration, Arctic National Wildlife Refuge, Alaska
00438256
Ingo Arndt / Saguaro (Carnegiea gigantea) cactus and sun, Saguaro National Park, Arizona
00437832
Colin Monteath / Light shines through industrial chimneys, Christchurch, New Zealand
00437831
Colin Monteath / Light shines through industrial chimney, Christchurch, New Zealand
00437961
Richard Du Toit / Fishermen in mokoro boat at sunrise, Chobe River, Namibia
00437960
Richard Du Toit / Fishermen in mokoro boat at sunrise, Chobe River, Namibia
00437947
Richard Du Toit / Springbok (Antidorcas marsupialis) group running from African Lion (Panthera leo) female in distance, Kgalagadi Transfrontier Park, South Africa
00437519
Fred Bavendam / Whale Shark (Rhincodon typus) silhouetted, Ningaloo Reef, Australia
00437095
Matthias Breiter / Polar Bear (Ursus maritimus) female in a field of fireweed, Hudson Bay, Canada
00437096
Matthias Breiter / Polar Bear (Ursus maritimus) female in a field of fireweed, Hudson Bay, Canada
00437080
Matthias Breiter / Grizzly Bear (Ursus arctos horribilis) male walking on tidal flats at sunrise, Katmai National Park, Alaska
00436631
Jasper Doest / Texas Brown Tarantula (Aphonopelma hentzi) silhouetted against sunset, George West, Texas