There are only five seal populations worldwide that live year-round in freshwater habitats. The Baikal seal, probably the ...

In Alaska, harbor seals thrive in the chilled water of Iliamna Lake, sliding their blubbery bodies onto floating pieces of ...

Alaska’s Iliamna Lake harbor seals commonly move more than 200 kilometers. Researchers hypothesized that they move regularly between freshwater and marine habitats.

One fun fact is that Iliamna Lake is connected to Bristol Bay via the Kvichak River, which is why it sometimes hosts unexpected marine visitors like harbor seals and even the occasional beluga whale.

Alaska's Iliamna Lake harbor seals have been difficult to study because of their remoteness. They weren't even identified as harbor seals until 2013. Now, a new genetic study has found significant ...

However, perhaps the most enigmatic population of freshwater seals can be found a little closer to home in Alaska’s Iliamna Lake. Despite their wider anonymity, the Iliamna seals have long been ...