Giant panda Mei Lan eats bamboo at the Chengdu Research Base of Giant Panda Breeding in Chengdu, Sichuan province, March 15, 2010. Credit: REUTERS/China Daily


A two-day-old lion cub suckles from a dog at the Royev Ruchey zoo in the Siberian city of Krasnoyarsk March 18, 2010. The zoo employees are using the mongrel dog to suckle the newborn cub, the only survivor, after its mother and her three cubs died during the delivery. Credit: REUTERS/Ilya Naymushin


A hummingbird rests on a tree branch as it looks out over some 50 acres of giant tecolote ranunculus flowers at the Flower Fields in Carlsbad, California March 10, 2010. The flowers attract thousands of visitors each year during their six to eight week bloom period. Credit: REUTERS/Mike Blake


Elephants from the Ringling Bros and Barnum and Bailey Circus parade in front of the U.S. Capitol Building in Washington, March 16, 2010. Credit: REUTERS/Jason Reed


Eight-week-old Chinchilla rabbits are pictured at a rabbit farm in Moosburg north of Munich March 22, 2010. The rabbits at the farm are bred to compete in rabbit shows. Credit: REUTERS/Michaela Rehle


Christopher Steiner, a U.S. Army Specialist with 293D Military Police Company, 97th Military Police Battalion plays with a goat brought by an Afghan boy near a local police station on the outskirts of Kandahar, southern Afghanistan March 18, 2010. Credit: REUTERS/Shamil Zhumatov


Reyna, a female jaguar, receives dental treatment at a veterinary clinic in Envigago near Medellin March 13, 2010. Reyna is homed at Santafe Zoo in Medellin after being rescued a year ago. REUTERSAlbeiro Lopera


A dog dressed in a Pucca costume takes part in a mass in honor of San Lazaro in Masaya, some 15 miles (24 km) south of Managua, March 21, 2010. Credit: REUTERS/Oswaldo Rivas


A Russian Troika, a three-horse-drawn sledge, competes on the frozen Yenisei river during the 41st Ice Derby amateur horse race near the settlement of Novosyolovo, some 250 km (155 miles) south of the Siberian city of Krasnoyarsk March 20, 2010. The Ice Derby has been held in Novosyolovo annually at the end of each winter since 1969, drawing participants from the entire region. Credit: REUTERS/Ilya Naymushin


A squirrel is seen in a park in Bucharest March 11, 2010. Credit: REUTERS/Bogdan Cristel