Anup Shah / Lesser flamingos {Phoeniconaias minor} performing 'wing salute' as part of courtship display, the wings are spread out to the side of the body and held in this position for several seconds, making the...

Franco Banfi / Humboldt squid (Dosidicus gigas) at night off Loreto, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Franco Banfi / Beak and tentacles of Humboldt squid (Dosidicus gigas) at night off Loreto, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

John Cancalosi / Cross-Section of Utah Septarian Nodule, Utah. A type of geode, Utah Septarian Nodules are found about 15 miles east of Zion National park. They were formed in an ancient sea floor during the Cretaceou...

Denis-Huot,Denis-Huot / Leopard (Panthera pardus) yawning, Masai-Mara Game Reserve, Kenya

Tony Heald / Bateleur Eagle (Terathopius ecaudatus) female, stretching wings Kgalagadi Transfrontier Park, South Africa. January

Alex Mustard,Alex Mustard / A portrait of a Mediterranean anthias (Anthias anthias) against open water. Secca Del Papa, Tavolara Marine Protected Area, Sardinia, Italy. Mediterranean Sea.

Alex Mustard,Alex Mustard / Red eye medusa (Polyorchis penicillatus) with its feeding tentacles extended to catch planktonic prey. Note that the bell of the jelly has hitchhiking amphipods (Hyperia medusarum). Browning Pass, Van...

Alex Mustard,Alex Mustard / Portrait of a Yellow moray eel (Gymnothorax prasinus) - endemic to SE Australia. Chowder Bay, Sydney Harbour, New South Wales, Australia.

Tony Phelps / Chacma baboon (Papio hamadryas ursinus) portrait of adult male. deHoop Nature reserve. Western Cape, South Africa.

Daniel Heuclin / Unau / two-toed sloth (Choloepus didactylus) portrait, French Guiana

Claudio Contreras / Keel billed toucan (Ramphastos sulfuratus) calling, captive.