Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

Some baleen whales avoid killer whale attacks by singing songs at deep frequencies that their predators cannot hear.

Learn more about how baleen whales split into two groups — fight or flight — and how these groups determine how loud they sing.

Pack-ice killer whales are highly social creatures ... Typically, kilowatts are quiet when they're searching for prey because sound travels incredibly well in water. And so they could alert ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

Beach rubbing, when animals swim close to shore to rub their bellies on smooth pebbles, is thought to help scrape off dead ...

The charismatic killer whale, or orca, is the totem species of northwest Washington and coastal British ... The Center uses science and law to defend a critically endangered population on the West ...