However, perhaps the most enigmatic population of freshwater seals can be found a little closer to home in Alaska's Iliamna ...

The harbor seals of Alaska’s Iliamna Lake, which make up one of only five freshwater seal populations in the world, have long been a subject of fascination for their separateness from the seals that ...

Exclusively in Iliamna Lake, Alaska’s largest body of freshwater, lives a small population of rare freshwater seals — one of only two freshwater harbor seal populations in the world. Alaska natives, ...

Alaska’s Iliamna Lake harbor seals have been difficult to study because of their remoteness. Alaska’s Iliamna Lake harbor seals Alaska’s Iliamna Lake harbor seals Alaska’s Iliamna Lake ...

Donna Hauser, right, samples seal scat in Iliamna Lake, Alaska, in 2015. The scat sample was used to help identify the seal’s genetics. Disclaimer: AAAS and EurekAlert! are not responsible for ...

Though some 3 million natural lakes exist in Alaska, Iliamna Lake stands out for its size and scenery. The largest lake in the state, Iliamna is home to the world's biggest sockeye salmon run ...

Far to the right, the west end of Iliamna Lake, Alaska's largest, comes into view. Aside from a few scattered villages and the plane's fleeting shadow, no human signs are visible. No dams ...

Exclusively in Iliamna Lake, Alaska’s largest body of freshwater, lives a small population of rare freshwater seals — one of only two freshwater harbor seal populations in the world. Alaska natives, ...