More solitary than toothed whales, baleen whales face predatory attacks from killer whales, especially mother and calf pairs. When attacked, some species fight back, while others choose flight.

XRP struggles with whale sell-offs, but long-term holders offer support. Price stability hinges on key support levels.

New research from the University of Washington finds some baleen whale species call at such deep frequencies that they’re completely undetectable by killer whales, which cannot hear sounds below 100 ...

These also tend to be the species of baleen whales that flee in the face of attack from killer whales. Killer whales are the only natural predator of baleen whales -- those that have "baleen" in ...