Noise is the most invisible of all the man-made threats to the ocean, but to whales who ‘see’ by hearing, they simply cannot escape it. Water is an excellent medium for relaying sound, enabling some species of whale to communicate...

As we sailed out of Wellington through the Cook Strait on the Rainbow Warrior a few days ago, all of a sudden we were met by hundreds of dolphins. And they kept arriving until we were completely surrounded. I was totally blown...

I've just returned from seven days on board SV Vega as part of a small team monitoring the impacts of seismic testing on marine mammals off the west coast of Northland. No research has been done in this area, so I jumped at the chance...

Big news for a little porpoise. Something big just happened for the  tiny vaquita porpoise  at the International Whaling Commission (IWC) meeting. The diminutive porpoise was the subject of a resolution, passed by all the countries...

Being a porpoise looks rubbish. Dolphins look like they have fun. They even look like they seek out fun. Okay, the fixed grins make them seem perpetually happy but let’s be honest - when was the last time you saw a porpoise jumping...