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Study Identifies New Penguin Species Pygoscelis kerguelensis
An international team of experts publishes a study identifying a new penguin species, the Gentoo Penguin (Pygoscelis papua), for the first time in over 100 years. The study recognises the Southeastern Gentoo Penguin as a newly identified species, Pygoscelis kerguelensis, native to the Kerguelen Islands in the southern Indian Ocean.
Pygoscelis kerguelensis:
| Dimension | Key Details |
|---|---|
| Endemism and distribution | Pygoscelis kerguelensis is endemic to the Kerguelen Islands and Heard Island in the southern Indian Ocean. |
| Key characteristics: appearance and behaviour | Pygoscelis kerguelensis looks virtually identical to other gentoo penguins on the surface, but exhibits slight variations in body size and vocalizations. |
| Key characteristics: genetic traits | The Kerguelen population shows remarkably high genetic diversity. |
| Glacial refuge and evolution | Scientists believe the remote islands serve as a crucial glacial refuge where the penguins manage to persist and evolve independently during past ice ages. |
| Habitat isolation | The habitat is situated roughly 1,200 miles (2,000 km) north of Antarctica and far from any permanently inhabited landmass. |
| Study finding | The study elevates 4 geographically isolated lineages to full species status: Pygoscelis kerguelensis, Pygoscelis papua, Pygoscelis ellsworthi, and Pygoscelis taeniata. |
| Species status and distribution list | The study provides the following distributions: Pygoscelis papua (Northern Gentoo) is restricted to the Falkland Islands, Malvinas, and Martillo Island; Pygoscelis ellsworthi (Southern Gentoo) occurs in the Antarctic Peninsula, South Shetland Islands, and South Georgia; Pygoscelis taeniata (Eastern Gentoo) occurs in Crozet, Marion, and Macquarie Islands. |