

An elephant sparked panic in Zurich, Switzerland when it escaped from a zoo and spent two hours walking through the city's streets. The 5-ton male named Sabu evaded his handlers as he was being loaded for transport. He walked into the city where he bathed in a lake before heading up the main street towards the railways station. Police closed roads as the specialist vets tracked the 10-foot high elephant. He was finally lured into the back of a trailer and returned to his owners at a traveling Circus. ZUMA Press/Newscom/File
A hippopotamus called Nikica watches from her enclosure in a private zoo in the center of the Plavnica hotel complex in Montenegro on Jan. 20, 2010. The 2-ton hippo escaped from the zoo, but returned home without hurting anyone. Flooding had allowed the animal to swim over the cage surrounding her pen. Stevo Vasiljevic/Reuters/File
Taipei policemen on scooters chase an ostrich down a street in Taipei on May 8, 2004. The ostrich escaped from the petting-zoo section of a local museum for children. Chen Po-Hun/AFP/Newscom/File
Juan the Andean Spectacled Bear escaped from his enclosure in the Berlin Zoo, paddled across a moat using a log as a raft, and climbed over a wall. Then he tried to get on a bicycle that was chained to a nearby fence. Zoo staff caught Juan with brooms and a tranquilizer gun and returned him safely to his enclosure. Action Press /ZUMA Press/Newscom/File
Sumatran tiger, Enshala seen in Lowry Park Zoo, Tampa, Fla. in 2005. Enshala was shot and killed by zoo director Lex Salisbury after she escaped from her night house and charged a handler trying to tranquilize her on Aug. 22, 2006. ZUMA Press/Newscom/File
A gorilla walks in his enclosure at the Riverbanks Zoo and Garden in Columbia, South Carolina. One of the zoo's gorillas escaped and injured an employee before returning to its enclosure on June 12, 2009. Gerry Melendez/The State/MCT/Newscom/File
Runaway kangaroo, Toto, sniffs at a microphone in Wedemark near Hanover, Germany on May 19, 2008. Six-year-old Toto escaped from the Serengeti-Tierpark zoo by jumping over a fence. It was discovered and recaptured about 35km away from the zoo two and a half weeks after escaping. Holger Hollemann/Newscom/File
Snow monkeys from Aomori Prefecture, Japan, are exhibited to the public at Ueno Zoo in Tokyo's Taito Ward on Jan. 24, 2010. One of the 23 nationally protected Japanese macaques escaped from the zoo on the same day, the first day of public exhibition, but was captured six hours later by employees of the zoo. Kyodo News/Newscom/File
A Barbary Macaque monkey is seen in its new enclosure, to which Edinburgh Zoo staff were moving the animals when 4 of them broke loose and escaped on July 6, 2009. An area of the Zoo had to be sealed off in an effort to find the missing monkeys. ZUMA Press/Newscom/File
Zoo workers corner a runaway tiger roaming a neighborhood in Zibo, northeastern China's Shandong province on Mar. 3, 2003. The tiger was mating with another tiger at the zoo when it escaped from his pen and took a stroll through the city's streets before he was caught and return to the zoo. AFP/Newscom/File
Tranqualised six-year-old Malaysian black bear, Kkoma, is captured by officials on a mountain in Gwacheon, Korea on Dec. 15, 2010. The young bear bolted from a zoo on the outskirts of Seoul and was captured after nine days on the run. Yonhap/AFP/Getty Images/Newscom/File
A bronze statue of Tatiana, the tiger, has become a memorial at the San Francisco Zoo. Tatiana escaped from her exhibit on Christmas day in 2008, and was killed by police after killing a patron. Terry Schmitt/UPI/Newscom/File