Because of this, penguins are less contaminated with mercury than toothed whales, giant petrels, and other predators higher in the food web. The scientists, who used X-ray absorption spectroscopy ...

Because of this, penguins are less contaminated with mercury than toothed whales, giant petrels, and other predators higher in the food web. The scientists, who used X-ray absorption spectroscopy ...

Lorraine told Penguin News, well aware how strong the smell of the animal will be as it decomposes. The giant petrels had gorged so much on the whale they were too heavy to take off, she added.