Some species of baleen whales may avoid attracting killer whales by singing too low to be heard
Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...
Science Daily4 天
Some species of baleen whales avoid attracting killer whales by singing too low to be heard
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 ...
Armed robbery in Revesby5 天
Baleen Whales Sing Low to Evade Killer Whales
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 ...
frontline.thehindu7 小时
On the brink: 10 endangered species of the Nicobar Islands
The Nicobar Islands are a biodiversity hotspot, home to unique species found nowhere else. Long isolated, these islands have ...
PBS6 天
Pack-Ice Killer Whale Sounds — on Film
What's interesting here, because their prey is out on the ice, it seems these pack ice killer whales are okay with vocalizing. And that's never been known before. This is completely new.
PBS4 天
Killer Whales Teach Young To Hunt
Killer whales are one of only a handful of animals that actively teach their young, and it’s the females that take on this duty, ensuring the survival of their families. - This does not look ...