Because of overhunting, the blue whale population has dropped from what biologists estimate was 200,000 in the 1800s to approximately 20,000 today. They are listed as endangered by the IUCN.

There are many other large whales, including blue, fin, sei ... removed old whales from the world’s whale populations. Though many whale populations are recovering in number, there hasn ...

Each summer, the largest blue whale population in the Southern Hemisphere comes to the waters off Chiloé's northern coast to feed and rest, following their ancestral migratory route. Blue whales ...

The bittersweet New Year’s Day visit to central Puget Sound by J and K pods revealed both a new, apparently healthy calf had ...

I think the most blue whales we've seen is maybe a dozen in one area." "Only 1% of the world's population ever get a chance to get a glimpse of a blue whale," Salas said. "And when you see them ...