Dolphin numbers up in Hong Kong after Covid crisis halts ferries

Revival prompts calls to divert boats to help protect native Indo-Pacific humpbacks

Large numbers of dolphins returned to Hong Kong waters within weeks of the Covid-19 crisis shutting down high-speed ferries, and researchers are now calling for protections before the ferries resume.

Indo-Pacific humpback dolphins, also known as Chinese white dolphins and pink dolphins, are native to the Pearl River estuary, but typically avoided the waters between Hong Kong and Macau because of the high volume of high-speed boats.

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