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Hector’s Dolphins Make Unlikely Comeback

Posted On April 26, 2012 by

The distinctive-looking Hector's dolphins are New Zealand's only endemic cetacean. Credit: NOAA

All over the world, marine protected areas do exactly what they’re supposed to  – a superior job of keeping sea creatures safe from harm. Good news, but what’s particularly exciting is a new study showing that marine protected areas improve survival for marine mammals.

For 21 years, ecologists in New Zealand studied a marine protected area near Christchurch. The area provides shelter for one of the rarest dolphin species in the world, Hector’s dolphins. These small dolphins boast distinctive black-and-white markings and an unusually rounded dorsal fins. They’re also notable for a sadder reason – once hunted as “bait”, often tangled in gillnets, currently threatened by pollution, the Hector’s dolphin population has dwindled to a fraction of what it once was.

But like the nickname “hope spots“ suggests, optimism for the species’ survival springs anew. Continue reading »