SEATTLE — Fin whales are Earth’s second-largest creature after blue whales, reaching up to 85 feet long. Little is known about them because they prefer deep water, where they “gulp” large ...

Previous research suggests only 1% to 2% of fin whales survived commercial whaling ... that the species has rediscovered an important habitat and that the population is recovering.

Fin whales, once hunted to the brink of extinction ... Mountain gorillas, which have struggled to endure war, encroachment, poaching and habitat loss in their African habitat, have been upgraded ...

New data documenting the effects of acoustic habitat degradation on humpback whales, fin whales and acoustically active fish—including haddock and cod—are now being analyzed. The situation ...

The same principle could apply to fin whales, animals endangered by climate change, habitat loss and the grim legacy of commercial whaling. And like those elephant-eavesdropping seismometers ...