Michael & Patricia Fogden / White-necked Jacobin (Florisuga mellivora) hummingbird male feeding on nectar of Fairy Duster (Calliandra sp) flower in cloud forest, Tandayapa Valley, western slope of Andes, Ecuador

Christian Ziegler / Greater Bulldog Bat (Noctilio leporinus) sequence catching a fish from Lake Gatun, Smithsonian Tropical Research Station, Barro Colorado Island, Panama

Richard Du Toit / Springbok (Antidorcas marsupialis) group running, Kalahari, Northern Cape, South Africa

Ingo Arndt / King Penguin (Aptenodytes patagonicus) group returning from the sea, Volunteer Point, Falkland Islands

Ingo Arndt / Saltwater Crocodile (Crocodylus porosus) swimming, Northern Territory, Australia

Hiroya Minakuchi / Sperm Whale (Physeter macrocephalus) calf swimming near water surface, Ogasawara Island, Japan

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) buck jumping and flashing tail, North America

Richard Du Toit / Burchell's Zebra (Equus burchellii) mother and foal, Kwazulu Natal, South Africa

Mark Hughes / Common Tern (Sterna hirundo) flying, Stockers Lake, Hertfordshire, England

Matthias Breiter / Kermode Bear (Ursus americanus kermodei), white morph called spirit bear, northern British Columbia, Canada

Yva Momatiuk & John Eastcott / Sockeye Salmon (Oncorhynchus nerka) group swimming in fast current during spawning run, Adams River, Roderick Haig-Brown Provincial Park, British Columbia, Canada

Yva Momatiuk & John Eastcott / Sockeye Salmon (Oncorhynchus nerka) group swimming upstream between forested banks during spawning run, Adams River, Roderick Haig-Brown Provincial Park, British Columbia, Canada