Posted by Page (in Amsterdam)
 An orca calf, known as J-41, swimming with its mother, J-19, in Washington State’s Puget Sound in July 2005. ©Ken Balcomb / Center for Whale Research |
Almost everyone is familiar with orcas – those magnificent black and white cetaceans who are commonly known as “killer whales“, although they aren’t actually whales. They’re predators, who live in “pods”, have complex social interactions, and are very intelligent.
One especially fascinating fact about orcas is that they rely on their own complex sonar to locate food, and to basically “see” what’s around them. So, you can imagine the horrible effect on the orcas’ lives if this system were to be disrupted. And we all know that humans make a lot of noise in the ocean…
Continue reading ‘A shocking eruption of sound’ : US Navy sonar and Puget Sound orcas…