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Chinstrap and Adélies Penguins migrate hundreds of miles across the Southern Ocean. But how do you track where the penguins have traveled? A new study shows that this information can actually be gained from the penguins’ feathers. Before attaching geotrackers to 52 penguins, scientists removed a piece of tail feather. When the scientists collected the trackers after migration, they collected another tail feather sample and compared them to the first one. They found that the data from the tracker and the data from the feathers matched.

Read more about this new penguin study and migration tracking.

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