Individual leopard seals specialize in specific prey types despite being generalist species, reshaping ecosystem dynamics.

Researchers measured the amount of nitrogen and carbon in the whiskers, which tells them the kinds of animals the leopard ...

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.