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 ...
Live Science3d
How to watch 'Expedition Killer Whale' — TV and streaming details for orca documentary
You can watch PBS on television via most cable TV packages — check your local listings for details. You can also live stream ...
The Canadian Press on MSN1d
Some whales sing low enough to be ‘acoustically invisible’ to predators, research suggests
New research finds male baleen whales looking for love sing a different tune when attracting a mate, and it all depends on if ...