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Great auk

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The great auk was a very special bird that no longer lives on Earth.

Keulemans-GreatAuk
Keulemans-GreatAuk

It belonged to a group of birds called alcids. This bird was the only modern member of its specific group, known as the genus Pinguinus. Even though it looked like the penguins in the Southern Hemisphere, they were not closely related. People often called it a "penguin" because of how it looked. It was a very important part of the North Atlantic ocean ecosystem.

Great Auk Thomas Bewick 1804
Great Auk Thomas Bewick 1804

This bird was built for life in the cold water. It had a black back and a white belly to help it hide. Its wings were very short, so it could not fly through the air. Instead, the great auk used its wings to swim through the waves. It was a powerful swimmer that hunted for fish and small sea creatures.

Alca impennis 3
Alca impennis 3

The bird had a heavy, hooked beak with deep grooves on it. During the summer, it had white patches over its eyes. In the winter, these patches changed into a white band between the eyes.

Great Auk variation
Great Auk variation

Scientists have studied the history of this bird through old bones. The oldest fossils of the great auk are at least 400,000 years old. These fossils were found in places like England and Bermuda.

Long ago, a relative called Pinguinus alfrednewtoni lived in the western Atlantic. Eventually, the great auk moved into the territory left behind by that older species. Scientists use DNA to see how these birds are related to others. They found that the razorbill is the closest living relative to the great auk.

Great auks lived in many places across the North Atlantic. They could be found near Canada, Greenland, Iceland, and Great Britain.

They liked to live on rocky, remote islands to stay safe. In these colonies, pairs of birds stayed together for their whole lives. They would lay just one white egg on the bare rock.

Pinguinus impennis eggs Zoothèque MNHN
Pinguinus impennis eggs Zoothèque MNHN

Both parents worked together to keep the egg warm for six weeks. This helped the young birds grow before they left the nest.

Sadly, many things caused the great auk to disappear. Early explorers used the birds for food or as bait for fishing. People also wanted their soft down feathers for warm clothes.

Catching the great auk on the coast of Newfoundland
Catching the great auk on the coast of Newfoundland

As the birds became rare, people started collecting their skins and eggs. Even though new laws were made to protect them, it was too late. The last two known great auks were killed on an island near Iceland in 1844.

Eldey close
Eldey close

Today, we can only learn about them from museums and old stories.

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🖼️ Images & Media (18)
File:Pinguinus alfrednewtoni (fossil auk leg bone).jpg
Pinguinus alfrednewtoni (fossil auk leg bone).jpg
Naturalis Biodiversity Center -...
File:Great Auk Thomas Bewick 1804.jpg
Great Auk Thomas Bewick 1804.jpg
File:Keulemans-GreatAuk.jpg
Keulemans-GreatAuk.jpg
File:Great Auk variation.jpg
Great Auk variation.jpg
File:Stac an Armin - geograph.org.uk - 5831655.jpg
Stac an Armin - geograph.org.uk - 5831655.jpg
File:No-nb digibok 2014092424005 V9 1.jpg
No-nb digibok 2014092424005 V9 1.jpg
File:PinguinusImpennus.jpg
PinguinusImpennus.jpg
File:Alca Impennis by John Gould.jpg
Alca Impennis by John Gould.jpg
File:Pinguinus impennis eggs Zoothèque MNHN.jpg
Pinguinus impennis eggs Zoothèque MNHN.jpg
File:Newcastle upon Tyne great auks (cropped).jpg
Newcastle upon Tyne great auks (cropped).jpg
File:AukBones.jpg
AukBones.jpg

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