In the late 1990s, the Bali starling became one of the rarest birds in the world.

BBC: Chester Zoo helps Bali starling release project

Illegal poaching of the Bali starling reduced its native population to an estimated six birds in 2001.

BBC: Chester Zoo helps Bali starling release project

Conservation partnership BirdLife International established the Bali Starling Project, with the cooperation of the Indonesian government and US and British zoos, in an attempt to save the species from extinction.

BBC: Chester Zoo helps Bali starling release project