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WDC provides supportive care to a live-stranded common dolphin. Credit: Andrea Spence/IFAW

Whale and Dolphin Conservation Expands Marine Mammal Stranding Network Territory

The Whale and Dolphin Conservation team expands the Greater Atlantic Regional Marine Mammal Stranding Network...
Hysazu Photography | Sara Shimazu

Dam Good News for Southern Resident orcas

Pardon the pun (we've used it before) but we just can't help ourselves.  After decades...
Peter Flood mom and calf

Emergency Petition Seeks to Shield Right Whale Moms, Calves From Vessel Strikes

For Immediate Release, November 1, 2022 WASHINGTON-Conservation groups filed an emergency rulemaking petition with the...
The Yushin Maru catcher ship of the Japanese whaling fleet injures a whale with its first harpoon attempt, and takes a further three harpoon shots before finally killing the badly injured fleeing whale. Finally they drowned the mammal beneath the harpooon deck of the ship to kill it.  Southern Ocean.  07.01.2006

Moves to overturn whaling ban rejected

Last week, the 68th meeting of the International Whaling Commission (IWC, the body that regulates...

New research shows bottlenose dolphins turn to the right

Bottlenose dolphin

New research has revealed that dolphins have a dominant right-hand side. 

The research shows that bottlenose dolphins appear to have an even stronger right-side bias than humans, discovered through crater feeding observations. Crater feeding is a hunting technique where the dolphins swim close to the ocean floor, use echolocation to find prey, and then use their beaks to dig into the sand and grab their meal. Notably, the dolphins always make a sharp and sudden turn before digging.  It’s here that the discovery was made: 99% of the 709 turns recorded between 2012 and 2018 were to the left. This indicates a right-side bias, because the left turn keeps the dolphin’s right side of the body close to the ocean floor.

Researchers have proposed several reasons for this behavior, but it seems that it’s largely to do with making swallowing food easier. Another suggestion was that dolphins produce echolocating clicks with phonic lips on the right side of their head, so it could be advantageous for this side of their body to be closest to the ocean floor.

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