Gentoo penguins find warm success
Gentoo penguins appear to be thriving in the warmer conditions in the Antarctic Peninsula.
Unlike their Pygoscelis, or "bush-tailed", cousins, the adélie and chinstrap penguins - the gentoos are not so dependent on an icy ecosystem.
Dr Claire Waluda, a marine ecologist from the British Antarctic Survey, spoke with our science correspondent Jonathan Amos.
- From the section Science & Environment