Asian elephant Bozie, 38, originally from Sri Lanka, makes her debut at the Elephant Community Center at the Smithsonian National Zoo in Washington, on June 27, 2013. (Photo by Charles Dharapak/Associated Press)

A rider rears up on his horse while surrounded by a cheering crowd during the traditional Fiesta of San Joan (Saint John) in downtown Ciutadella, on the Spanish Balearic Island of Menorca, June 23, 2013. The riders of the horses are representatives of ancient Ciutadella society – nobility, clergy, craftsmen and farmers. (Photo by Enrique Calvo/Reuters)

An Indian cobra hatchling emerges from an egg on the outskirts of Bhubaneswar on June 28, 2013. The Indian cobra is a venomous snake indigenous to South Asia, found across India, Pakistan, Bangladesh and Sri Lanka. (Photo by Asit Kumar/AFP Photo)

Children try to pull a goat into the water during the ritual “Bano de las Cabras” (Bathing of the goats), as part of the traditional San Juan (Saint John) festival, on a beach of Puerto de la Cruz on the Spanish Canary island of Tenerife on June 24, 2013. (Photo by Desiree Martin/AFP Photo)

Gophers line the city sidewalks after their homes were flooded in the East Village area of Calgary, Alberta, on June 22, 2013. The flooding Bow River shut down all of the center of Calgary earlier this week. The flood forced tens of thousands of residents to leave their soggy homes. (Photo by Todd Korol/Reuters)

A police dog reacts as protesters clash with law enforcement troops during a demonstration outside Mineirao stadium, where the Confederations Cup soccer match between Japan and Mexico is taking place, in Belo Horizonte, Brazil, on June 22, 2013. (Photo by Sergio Moraes/Reuters)

A red panda relaxes in its enclosure at the Beijing Zoo, on June 24, 2013. (Photo by Mark Ralston/AFP Photo)

The new baby rhino Ethan is shown at the Montgomery Zoo in Montgomery, Ala. on Sunday June 23, 2013. Ethan was born on June 5 and is named after the Alabama boy who was taken hostage in a bunker in January. Ethan is the first rhino calf born in a U.S. zoo to survive and thrive after being conceived by artificial insemination. (Photo by Mickey Welsh/AP Photo/Montgomery Advertiser)

Dublin Zoo Celebrates the Birth of Two White Crowned Mangabeys, on June 27, 2013. The half brother and sister, sired by the dominant male Danzo, were born just two weeks apart to mothers Monifa and Maull. On the 5th April, Mallul gave birth to a male who the keepers named Jomoro, after the western region of Ghana, home to a majority of the world's population of this rare species. Ten days later Monifa gave birth to a young female who the keepers named Awiane, the capital of the Jomoro district. (Photo by Kelley Cousins/Pembroke Communications)

Elephants at Utah's Hogle Zoo are cooled off with a water hose in Salt lake City, on June 28, 2013. The heat wave that is gripping the western U.S. is one of the worst in years, with desert locations in the Southwest seeing temperatures approach 120 degrees. (Photo by Rick Bowmer/Associated Press)

Social workers help Bijlee, a 54-year-old Asian female elephant after she collapsed and was unable to stand on her own in Mumbai, India, on June 26, 2013. Bijlee is being attended by veterinary staff from India's largest animal rescue and conservation organization Wildlife SOS. (Photo by Rajanish Kakade/Associated Press)

This is the limelight-loving lemur working hard to build up her own profile by joining celebs around the world in the growing trend of Selfies. (Photo by Caters News Agency Ltd)

Cheeky orangutan tries out his rope at Moscow Zoo, on June 27, 2013. (Photo by Caters News)

These two young siblings appear to cling on to a tree for dear life and even hold hands as they learn the ropes of climbing, on June 25, 2013. (Photo by Tim Fitzharris/Minden/Solent)

Red pandas (also known as a lesser panda) relax in their enclosure at the Beijing Zoo, on June 25, 2013. (Photo by Mark Ralston/AFP Photo)

A Chinese worker tending to one of the Giant Panda twins borned to a panda named Haizi at the Wolong Nature Reserve in China's southwest Sichuan province, on June 25, 2013. (Photo by AFP Photo)

Xu Jin, 42-year-old retired paramilitary policeman, walks with his dog Wangcai and cat Mimi on a street in Kunming, Yunnan province, China, on June 23, 2013. (Photo by Wong Campion/Reuters)

Penny, a pure bread Pug, awaits the start of the World's Ugliest Dog competition in Petaluma, California, on June 23, 2013. (Photo by Josh Edelson/AFP Photo)

This bug eyed fish only has a three second memory so he wont remember what he looks like. The fish is only able to swim on his own in case he bumps into another fish and bursts his balloon eyes. (Photo by Caters News)

Stallions fight for their position in the herd in Rauris in the Austrian province of Salzburg, on June 22, 2013. To avoid such fights and injuries on the alp, the horses fight for their leadership of the herd in a paddock. After the fight the stallions stay the whole summer at an alp in the Rauris Valley. (Photo by Kerstin Joensson/Associated Press)

Spanish bullfighter Rafael Cerro is tossed by a Lozano's ranch fighting bull during a bullfight at Las Ventas bullring in Madrid Sunday, June 23, 2013. Bullfighting is an ancient tradition in Spain and the season runs from March to October. (Photo by Daniel Ochoa de Olza/AP Photo)

A baby two-toed sloth yawns at Chiba Zoological Park near Tokyo on June 23, 2013. (Photo by Itsuo Inouye/AP Photo)

Rufus the Hawk wears his new hood in Wimbledon colours while on patrol on Centre Court with his handler Imogen Davies during day four of the Wimbledon Championships at The All England Lawn Tennis and Croquet Club, Wimbledon, on June 27, 2013. (Photo by Andrew Matthews/PA Wire)

This picture provided by Birdtour Asia shows the Cambodian tailorbird, a small bird, which has a black-feathered throat and is the size of the more common wren, which lives in thick, lowland scrub in Phnom Penh, on June 26, 2013. (Photo by AFP Photo/Getty Images)

Thelma and Louise, a two-headed Texas cooter turtle, is seen in an undated photo provided by the San Antonio Zoo. Zoo officials on Tuesday, June 25, 2013 said the Texas cooter was born June 18. The turtle was one of several Texas cooters born this month at the zoo but the only one with two heads. The unusual turtle will go on display Thursday at the zoo's Friedrich Aquarium. (Photo by AP Photo/San Antonio Zoo)

A lion jumps through a burning ring during a performance by circus artists Veronika and Oleksiy Pinko in Ukraine's National Circus in Kiev, Ukraine, Thursday, June 27, 2013. (Photo by Efrem Lukatsky/AP Photo)

Ventral view of one of the around 5,000 spiders bred at a spider farm in Batuco, some 30 km north of Santiago, on June 26, 2013. (Photo by AFP Photo/Getty Images)

Hiroyuki Ota plays with his prairie dog, Cookie, at a park in Tokyo, on June 23, 2013. (Photo by Shizuo Kambayashi/Associated Press)

A baby monkey plays at Beijing Zoo, on June 23, 2013. (Photo by Mark Ralston/AFP Photo)