In July 1976, Billy Arjan Singh acquired a hand-reared female tiger cub named Tara from Twycross Zoo in the United Kingdom, and reintroduced her to the wild in the Dudhwa National Park with the permission of India's then Prime Minister Indira Gandhi [REF].
In the 1990s, some tigers were observed in the protected area, which had a Siberian tiger phenotype of a large head, pale pelage, white complexion, and wide stripes, and were therefore suspected to be Bengal-Siberian tiger hybrids.