Meet the world’s only completely freshwater seal
The Baikal seal is the only seal that lives exclusively in freshwater and it's found nowhere else. And is it any wonder.
There is one body of freshwater where we'd expect to find completely unique creatures. These are situated in southeastern Siberia at 25 million years of age. It’s the oldest lake in the world. Its Depths reach an astonishing 5,400 feet making it the deepest lake on the planet and it contains 20 percent of Earth’s total unfrozen freshwater reserve.
credit: Olga Kamenskaya via bioGraphic
How a seal ended up in this giant icy wonderland is anyone's guess; one theory is that members of the species may have traveled up ice-choked rivers from the Arctic Ocean during the last ice age, notes the California Academy of Sciences magazine, bio-Graphics. These majestic ice seals use their claws to create breathing holes in ice that can be up to two meters thick. And while life in an icy lake might be tough, writes biographic, "the greatest threat that Baikal seal populations face is pollution from factories situated along the lake’s shores.
This is incredible image was taken by Olga Kamenskaya an award winning photographer known for her nature and underwater photography. You can visit her website here, and go to biographic for more inspiration from the natural world.
source -- https://www.treehugger.com/slideshows/animals/meet-worlds-only-completely-freshwater-seal/
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