Harbor porpoises "buzz" less when boats and ships are nearby—suggesting a drop in feeding and socializing, new research shows ...

A team of scientists used playbacks of recorded and artificial porpoise clicks to develop an adaptable method to assess the area in which acoustic monitoring devices can reliably detect these sounds ...

In a first study of its kind, Dr Hanna Nuuttila, currently at Swansea University's College of Science - together with scientists from the German Oceanographic Museum, the University of St Andrews and ...

A porpoise’s forehead acts like a ‘metamaterial’ to create the directional sound beam used by the marine mammals to detect and track prey, claim researchers in the US and China. The acoustics experts ...

Two of a small group of harbor porpoises that are feeding in Useless Bay off Whidbey Island surface on July 2. After nearly disappearing from local waters for decades, harbor porpoises are once again ...

Like seasoned New Yorkers, the porpoises have adapted to the sounds troubling their universe. Also, investigators find an arsenal at the Gilgo Beach suspect’s home. By James Barron Good morning. It’s ...

After nearly disappearing from local waters for decades, harbor porpoises are once again a common sight in Puget Sound. “They are back, big time,” says biologist John Calambokidis with the Cascadia ...

Porpoises communicate with each other using sounds. Therefore, they are highly sensitive to noise, such as ship noise. A new study shows that porpoises flee from and stop feeding when disturbed by ...

An examination into the detection of harbour porpoises is helping to give new understanding of effective monitoring of species under threat from anthropogenic activities such as fisheries bycatch and ...