Why are extinct species coming back in Singapore?

In a country where urbanisation has uprooted native species that used to call our skies, lands and waterways home, some creatures have beaten the odds of extinction … at least for now. Liling Tan speaks to Yeo Suay Hwee and Tan Gim Cheong from the Nature Society about the species that are coming back, and the ones that are lost forever. See omnystudio.com/listener for privacy information.