And when we analysed the skin of the humpback whales, we saw a clear shift to a fish-dominated diet. In contrast, blue whales only eat krill, and detection of their songs plummeted with large ...

How whale songs reflect shifts in diet and ocean health. The most significant challenge of this study was isolating whale songs within the harsh environment of 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. More solitary than toothed whales, baleen ...

Brooke Casanova with Blue Kingdom Whale and Wildlife Tours in Washington caught a photo of a humpback whale accidentally swallowing a harbor seal while feeding.