Shane Gross / Caribbean reef shark (Carcharhinus perezi) swimming along edge of blue hole. Bahamas.

David Tipling / Mebengokre arm ornament containing oropendola and macaw feathers. From the state of Para, Brazil dating to 1960, such arm bands are worn during naming ceremonies.

Joel Sartore / Photo Ark / Mixed group of humingbirds, including; Costa Rican lesser violetear (Colibri cyanotus cabanidis), Talamanca hummingbird (Eugenes spectabilis), fiery-throated hummingbird (Panterpe insignis) and volcan...

Joel Sartore / Photo Ark / Mixed group of humingbirds, including; Costa Rican lesser violet-ear (Colibri cyanotus cabanidis), the Talamanca hummingbird (Eugenes spectabilis) and fiery-throated hummingbird (Panterpe insignis). T...

Maxime Aliaga / Founding member of the FCAT (Fundacion para la Conservacion de los Andes Tropicales / Foundation for the Conservation of the tropical Andes), holding Aplomado Falcon (Falco femoralis) Choco, Ecuador