Tony Wu / Sardines (Clupeidae) fleeing from predators in the early morning. They were being herded and chased by Trevallies and Blacktip reef sharks in the water, and picked off by brown boobies and terns from...

Daniel J. Cox / Gray Wolf (Canis lupus) pair predating female Elk (Cervus elaphus) crossing river, Alum Creek, Yellowstone National Park, Wyoming, sequence 1 of 4

Ann & Steve Toon / Springbok (Antidorcas marsupialis) herd fleeing predator, Kgalagadi Transfrontier Park, South Africa.

Cyril Ruoso / Rabbit (Oryctolagus cuniculus) juvenile running away, Burgundy, France.

Bence Mate / Green / Double-crested basilisk (Basiliscus plumifrons) running across water surface, Santa Rita, Costa Rica.

Lisa Hoffner / African elephant (Loxodonta africana) baby running away from noise, Samburu National Reserve, Kenya.

Felicity Lanchester,Felicity Lanchester / Fork-tailed drongo (Dicrurus adsimilis) catching insects fleeing from a grassland fire, South Luangwa National Park, Zambia.

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

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) sixteen cubs escape photo attempt, Wolong Nature Reserve, China, sequence 2 of 3

Pete Oxford / African Lion (Panthera leo) chasing Cape Buffalo (Syncerus caffer) herd, Africa

Michael Durham / Deer Mouse (Peromyscus maniculatus) jumping as an evasive behavior, Forest Park, Oregon

Mitsuaki Iwago / Cape Buffalo (Syncerus caffer) herd chasing African Lion (Panthera leo) pair, Serengeti National Park, Tanzania