Tiny bird’s poo has tremendous impact on Greenland’s nature

Isn’t it amazing the way one animal can modify an entire ecosystem? Here’s another example of that: Tiny bird’s poo has tremendous impact on Greenland’s nature.

The little auk is by any measure a tiny bird. At just 160 grams, which is about one third the weight of a pigeon, yet, it has as a surprisingly big influence on the landscape near Thule in Northwest Greenland.

It turns out that many larger animals like musk ox, geese, reindeer, foxes, hares, and many more have much to thank the little bird for: auk poop provides nutrients for grass and flowers. However, it also makes the nearby lakes and waterways so acidic that almost nothing can survive there besides algae.

“The auk literally transforms the landscape,” says co-author Thomas Alexander Davidson from the Department of Bioscience and The Arctic Research Centre at Aarhus University, Denmark. [continue]

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