1130-6325 - Burchell's zebras exit mara river; maasai mara, kenya, africa

1169-421 - Emperor penguins (Aptenodytes forsteri) swimming under camera, some exit water, underwater, Cape Washington, Antarctica

1169-106 - Emperor penguins (Aptenodytes forsteri) swimming near the ice edge and diving, some exit water with bubble trails, underwater, Cape Washington, Antarctica

1169-121 - Emperor penguins (Aptenodytes forsteri) swimming near the ice edge and diving, some exit water with bubble trails, underwater, Cape Washington, Antarctica

1169-114 - Emperor penguins (Aptenodytes forsteri) swimming under sea ice, some exit water, underwater, Cape Washington, Antarctica

1169-242 - Emperor penguins (Aptenodytes forsteri) surface and splashing around in holes in sea ice, some exit water in background, Cape Washington, Antarctica

1169-429 - Emperor penguins (Aptenodytes forsteri) swimming under camera, some exit water, underwater, Cape Washington, Antarctica

1169-123 - Emperor penguins (Aptenodytes forsteri) swimming under camera, move up and exit water with bubbles, underwater, Cape Washington, Antarctica

1169-372 - Emperor penguins (Aptenodytes forsteri) in wide ice hole, some exit water, a few spectacularly, Cape Washington, Antarctica

1169-371 - Emperor penguins (Aptenodytes forsteri) porpoising in wide ice hole, some exit water, Cape Washington, Antarctica

1169-241 - Emperor penguins (Aptenodytes forsteri) surface and splashing around in holes in sea ice, some exit water in background, Cape Washington, Antarctica

981-556 - Captive. Bottlenose dolphins (Tursiops truncatus) . Underwater, dolphin swims in and out of exit to pool. Dolphinarium. Faro. Portugal

945-544 - Orca (Orcinus orca) in shallow water with pup or trying to exit shallows (big splash), Patagonian sea lion (Otaria flavescens) creche on beach in foreground and other orcas in water. Predation behaviour. Punta Norte, Valdez Peninsula, Patagonia, Argentin

945-616 - Orca (Orcinus orca) pod in shallow water chasing Patagonian sea lion (Otaria flavescens) and cutting off its exit to beach. Predation behaviour. Punta Norte, Valdez Peninsula, Patagonia, Argentina