50 best photos from The Natural World


Seahorses are displayed at an endangered species exhibition at London Zoo. 
An Abyssinian Colobus baby yawns at the Nogeyama Zoological Gardens in Yokohama, Japan. 
A zebra stands in its enclosure in the Berlin zoo.
A female Amur tiger, Iris, licks its 7-week-old cub during one of their first walks in an open-air cage at the Royev Ruchey zoo in Krasnoyarsk, Russia. The Amur tiger is an endangered species.
Iblis, an Asiatic lion, plays with a recycled Christmas tree in his enclosure at the Chester Zoo in England. Unsold Christmas trees donated to the zoo are used in the animal enrichment program.
A pony grazes in a meadow at sunset in Lausanne, Switzerland.
Ana Julia Torres kisses Jupiter, a lion rescued from a circus 12 years ago, at Villa Lorena shelter, in Cali, Colombia. Torres, 52, a teacher, founded the shelter, which protects about 600 animals seized from drug traffickers, circuses, animal traffickers, or abandoned by their owners.
Marine life is rich in the Indonesian waters of Raja Ampat between the Pacific and Indian oceans.
A bird sits on a perch in Sausalito, Calif., as clouds passed over the San Francisco skyline.
A pair of great gray owls, or Lapland owls, sit inside an open air cage at the Royev Ruchey zoo in Russia's Siberian city of Krasnoyarsk.