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More important ocean areas for whales and dolphin protection identified

Scientists and observers from many different countries have identified and mapped 36 new Important Marine...
captive dolphin

Las Vegas dolphin facility to close

Siegfried & Roy's Secret Garden and Dolphin Habitat in Las Vegas is to permanently close....

WDC citizen science project nominated for Scottish nature award

The success of WDC's Shorewatch programme was acknowledged recently after being nominated in the Citizen...

Whale meat fetches record high at Japan auction

Sei whale meat is being sold at a record high in Japan according media reports...

Boat speed threatens endangered orcas

A new study on noise pollution published in the online journal, PLOS ONE has identified boat speed rather than size as being more of a threat to a group of endangered orcas.

Researchers monitoring of pod of orcas in the waters off Washington (US) found that speed was a more influential factor than how big a boat was when it came to the amount of noise from vessels reaching the pod.

Previous studies have shown that Southern Resident orcas alter their behaviour in the presence of ships and related noise.

Whales and dolphins live in a world of sound. They communicate, find their way around and locate food using sound. Noise pollution threatens whale and dolphin populations, interrupting their normal behaviour, driving them away from areas important to their survival, and at worst injuring or even causing death.

This most recent research has also found that it is likely that the orcas have to use extra energy to call more loudly when boats are operating nearby.  Previous studies have identified vessel traffic and noise as two main threats to recovery of the endangered population of this resident pod, which now only numbers about 80 orcas.