Mugger crocodile (Crocodylus palustris) by the Senanayake Samudraya Lake, Gal Oya National Park, Sri Lanka, Indian subcontinent, South Asia

Female mantled howler monkey (Alouatta palliata) with clinging infant eating flower, Pacific coast forest, Esperanza, Nosara, Guanacaste, Costa Rica

Female mantled howler monkey (Alouatta palliata) known for its loud call, eating in Pacific coast forest, Esperanza, Nosara, Guanacaste, Costa Rica

Water buck, Kobus ellipsiprymnus, in dry bush, Chobe National Park, Botswana, Africa

Water buck, Kobus ellipsiprymnus, in dry bush, Chobe National Park, Botswana, Africa

Adult gentoo penguin (Pygoscelis papua), feeding chicks at Brown Bluff near the Antarctic Peninsula, Southern Ocean, Polar Regions

Gentoo penguin (Pygoscelis papua) adult with chicks at breeding colony on Booth Island, Antarctica, Southern Ocean, Polar Regions

Adult gentoo penguin (Pygoscelis papua), feeding chicks at Brown Bluff near the Antarctic Peninsula, Southern Ocean, Polar Regions

Antarctic fur seal pups (Arctocephalus gazella) playing in Fortuna Bay on South Georgia, Southern Ocean, Polar Regions

King penguin (Aptenodytes patagonicus) detail at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

Gentoo penguin (Pygoscelis papua) chicks covered with mud and guano on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Adult king penguin (Aptenodytes patagonicus) amongst chicks at breeding colony at Gold Harbour, South Georgia Island, Polar Regions

Green sea turtles hatching, Chelonia mydas, Fernando de Noronha, Pernambuco, Brazil.

Beaked Whale stranded on coral reef during low tide, Mesoplodon sp., Mili, Marshall Islands (N. Pacific)..

Canada, British Columbia, Giant Pacific octopus (Octopus dolfleini) changing colors on ocean floor.