Calgary Zoo Association of Zoos and Aquariums. The report, released in 2010, spotlighted systemic problems. In response, the zoo developed a 36-point plan that included improving animal care procedures and collection planning, addressing staffing issues like training and structure, enhancing security systems and safety drills, and upgrading aging zoo infrastructure. Later that year, the zoo hired noted animal welfare specialist, Dr. Jake Veasey, who has since instituted major changes and spearheaded new investment in animal facilities. In March 2012, Amur tiger Katja gave birth to three Amur tiger cubs at the zoo. The species is so highly endangered (there are an estimated
History of Edinburgh Zoo chimpanzees at Edinburgh were found to use word-like vocal labels for food. In late 2005 the Animal Liberation Front (ALF) threatened action over the holding in captivity of Mercedes, then Britain's only polar bear. The zoo had initially planned to retire their polar bear exhibit after Mercedes died. When zoo officials announced plans to create a new attraction, citing their responsibility to ensure the survival of the species, the ALF threatened damage to zoo workers' property and other scare-tactics. Edinburgh's treatment of polar bears had often been subject to criticism, punctuated by incidents like the death in 1997 of Mercedes'