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
London Zoo arapaimas and ocellate river stingrays. As well as the three halls, the aquarium also features the "Big Fish Tank", which contains large fish species that are all former pets, and had to be rescued because their owners did not have the proper equipment or understanding to look after them. The species in the Big Fish Tank include tambaqui, catfish and pirapitinga. Animal Adventure (formerly called the Ambika Paul Children's Zoo) opened in 2009 and is an area aimed primarily at children, featuring playgrounds and a water fountain. Many of the animals in Animal Adventure are domestic animals, such as sheep,