HK scientist puts hope in nest boxes to save endangered cockatoos

HONG KONG: Above the teeming shopping streets of Hong Kong’s Causeway Bay district, a fight to save one of the world’s most endangered species is unfolding high in the branches of a decades-old cotton tree. Nestled among its sprawling boughs is a nest box designed for the yellow-crested cockatoo, of which only 1,200 to 2,000 remain in the world.

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