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On one island off the Western Antarctic Peninsula, leopard seals eat as many as 70% of Antarctic fur seal pups each year, severely impacting their declining population, researchers said.

On one island off the Western Antarctic Peninsula, leopard seals eat as many as 70% of Antarctic fur seal pups each year, severely impacting their declining population, researchers said.

On one island off the Western Antarctic Peninsula, leopard seals eat as many as 70% of Antarctic fur seal pups each year, severely impacting their declining population, researchers said.

On one island off the Western Antarctic Peninsula, leopard seals eat as many as 70% of Antarctic fur seal pups each year, severely impacting their declining population, researchers said.

On one island off the Western Antarctic Peninsula, leopard seals eat as many as 70% of Antarctic fur seal pups each year, severely impacting their declining population, researchers said.

On one island off the Western Antarctic Peninsula, leopard seals eat as many as 70% of Antarctic fur seal pups each year, severely impacting their declining population, researchers said.

On one island off the Western Antarctic Peninsula, leopard seals eat as many as 70% of Antarctic fur seal pups each year, severely impacting their declining population, researchers said.

On one island off the Western Antarctic Peninsula, leopard seals eat as many as 70% of Antarctic fur seal pups each year, severely impacting their declining population, researchers said.