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Scientists Find New Bird Species in Untouched Outpost of South America

DW Staff |
Scientists have identified a new species of bird, named "Subantarctic rayadito", on the isolated Diego Ramirez Islands.

The tiny brown bird weighs around 16 grams and has black and yellow bands along with a large beak

A new bird species has been identified in the southernmost islands of the Americas leaving biologists amazed.

Scientists have identified the Subantarctic rayadito in the Diego Ramirez Islands that lie 100 kilometers from southern Chile's Cape Horn.

The small brown bird weighs around 16 grams (roughly half an ounce) and has black and yellow bands along with a large beak.

The finding, which was reported on Friday in the science journal Nature, highlights the significance of observing some of the most remote places on earth.

The Diego Ramirez Archipelago is not only geographically isolated, it also lacks terrestrial mammalian predators and woody plants, the study said.

The small group of sub antarctic islands have a tundra climate, meaning that tree growth in the archipelago is hindered by bitter temperatures and short growing seasons. 

Surviving in a harsh environment

The discovery comes as a surprise because the bird — found nesting in a place with no woody plants — resembles a rayadito species that inhabits the forests of southern Patagonia and lives in trunk cavities.

"There are no bushes and no woodland species, literally in the middle of the ocean a forest bird has managed to survive," Ricardo Rozzi, an academic from Chile's University of Magallanes and the University of North Texas and director of the Cape Horn International Center for Global Change Studies and Biocultural Conservation (CHIC) told news agency Reuters.

During the course of the research, which spanned six years, scientists captured and measured 13 individuals on the island.

"The Birds from the Diego Ramirez population were significantly heavier and larger (with a longer and wider bill and longer tarsi), but they had a significantly shorter tail," the study said.

With the finding, researchers said the study emphasized "the need to monitor and conserve this still-pristine archipelago devoid of exotic species" brought in from elsewhere, usually by humans, which often then prey on local fauna.

In 2017, the government of Chile announced the creation of the Diego Ramírez Islands-Drake Passage Marine Park, protecting the Diego Ramirez Islands.

The park includes 140,000 square kilometers of Chile’s southern waters, starting in the Cape Horn and extending south to the 200 miles of Chile’s economic zone towards Antarctica.

Courtesy: DW

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