Blue whales are not just the largest animals alive today, but the largest animals to ever live on Earth. They can stretch past 100 feet long and weigh up to 330,000 pounds. Being this big, it seems, ...
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 ...
And this is where acoustic crypsis comes in: singing at low frequencies that are impossible, or very difficult, for killer whales to hear,” Branch said. The research shows that under the sea ...
Killer whales are the only natural predator of baleen whales — those that have "baleen" in their mouths to sieve their plankton diet from the water ...