The population of Bigg’s killer whales — which is believed to be in the hundreds — has grown since the government stopped ...

The world is full of apex predators beyond the well-known lions and sharks, playing crucial roles in their ecosystems.

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

Researchers used isotopic analysis of leopard seal whiskers to track their feeding patterns over multiple years. The researchers found that while some seals maintained the same diet year after year, ...

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.

A study at Cape Shirreff finds most leopard seals specialize in prey, showing unique feeding habits that influence Antarctic food chains and ecosystems.

In total, 87% of the leopard seals were what researchers called “specialists or intermediates,” meaning they stuck to a smaller selection of prey than they were capable of eating, while only ...