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 ...

Koala and Curlew, two endangered female North Atlantic right whales have gone off course, perplexing researchers.

All known human languages display a surprising pattern: the most frequent word in a language is twice as frequent as the ...

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

Killer whales are found in all the world's oceans, and killer whales' prey ranges from small fish to the largest whales on Earth. The fight species of baleen whales usually migrate and calve ...

Killer whales are found in all the world’s oceans, and killer whales’ prey ranges from small fish to the largest whales on Earth. The fight species of baleen whales usually migrate and calve ...