How Did Poop Stains Lead to the Discovery of a Hidden Penguin Supercolony?

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Researchers have discovered a hidden colony of 1.5 million Adelie penguins on the Danger Islands, confirmed through drone observations. This finding challenges previous assumptions that the Adelie penguin population was in decline. The colony, consisting of approximately 751,000 breeding pairs, thrives in an area with minimal human interference, allowing the penguins to pursue food and reproduction without disruption. The discovery highlights the importance of remote habitats for wildlife conservation and the need for further research on penguin populations in less accessible regions.
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https://www.livescience.com/61908-hidden-penguin-supercolony.html
"Poop Stains Lead Researchers to Hidden Colony of 1.5 Million Adelie Penguins "

Drones confirmed the size of the colony. Adelie penguins were thought to be in serious decline, but this largest penguin colony on the Danger Islands. Humans seldom go there. There is little human activity to interfere with the penguin's pursuit of food and reproduction.

More scientific link:
https://en.wikipedia.org/wiki/Danger_Islands
Claims 751000 breeding pairs of Adelie penguins at the site.
 
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Scientists thought the population was in decline. It turns out they just wanted some privacy.

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