Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Juergen & Christine Sohns / African Wild Dog (Lycaon pictus) group attacking Cape Warthog (Phacochoerus aethiopicus), Tswalu Game Reserve, South Africa

Gary Bell/ Oceanwide / Veined Octopus (Octopus marginatus) predating urchin, Anilao, Philippines

Alan Murphy/ BIA / Belted Kingfisher (Megaceryle alcyon) fishing, Texas

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) fishing, Alaska

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod cooperative bubble-net feeding, Frederick Sound, Alaska

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod cooperative bubble-net feeding, Frederick Sound, Alaska

Tim Fitzharris / Atlantic Sailfish (Istiophorus albicans) and Magnificent Frigatebird (Fregata magnificens) flock hunting Round Sardinella (Sardinella aurita) school, Isla Mujeres, Mexico

Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding, Monterey Bay, California

Emanuele Biggi / Peruvian Tarantula (Pamphobeteus sp.) adult, walking over Humming Frog (Chiasmocleis royi) without preying on it. Los Amigos Biological Station, Madre de Dios, Amazonia, Peru. These species have a com...

Richard Du Toit / Northern Giraffe (Giraffa camelopardalis) with Red-billed Oxpeckers (Buphagus erythrorhynchus) feeding on parasites in symbiotic relationship, Mkhuze Game Reserve, KwaZulu-Natal, South Africa