Tiger is the largest among all big cats. Nandankanan Zoological Park is breeding tigers since 1966 and a participating zoo for conservation breeding of Indian tiger since 2009. There are 350 births recorded in the zoo since 1966, including 34 birth under the conservation breeding programme i.e., after 2009. The zoo has sent tigers to the coordinating zoo, Nehru Zoological Park, Hyderabad in 2016, and received wild tigress from Nandanvan Zoo, Bhopal in 2009 and a zoo bred tiger with 33% wild gene from Nehru Zoological Park, Hyderabad in 2016 to infuse new blood line and increase heterozygosity. Presently the zoo is having 26 tigers (12:14) and going ahead with conservation breeding programme.