The researchers aboard the underwater vessel recorded its high-pitched song in a footage that is quite hauntingly beautiful.

Whale songs reveal shifts in ocean conditions, offering vital insights into prey availability and ecosystem health.

The findings are a window into the rich inner lives of whales – and allow us to check the health of the ocean.

Example photo of a humpback whale fluke from which identification of individuals is enabled through distinction of fluke ...

"Using sound recordings to monitor whale populations isn't new," said lead author Marissa Garcia of the Cornell Lab of Ornithology's K. Lisa Yang Center for Conservation Bioacoustics. "What makes ...