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Gannet

life science Maturity 5-7 Next article →

Gannets are large seabirds that belong to the genus Morus. They are closely related to birds called boobies.

Gannet up close
Gannet up close

These birds have white bodies and yellow heads. Their wings also have black tips. In Scotland, people sometimes call them the solan goose. The name gannet comes from an Old English word meaning gander. Some people use the word gannet to describe someone who eats a lot of food. This is because the birds have a very large appetite for fish.

Gannet, Bempton Cliffs, Yorkshire (geograph 4621592)
Gannet, Bempton Cliffs, Yorkshire (geograph 4621592)

Hunting is a very exciting thing that happens with these birds. A gannet will dive from a great height into the sea. They can reach speeds of 100 kilometers per hour during a strike. To stay safe, they have air sacs under their skin. These sacs act like bubble wrap to cushion the impact with water.

Gannet4
Gannet4

They also have no nostrils on the outside of their face. Instead, their nostrils are located inside their mouths. Their eyes are positioned far forward on their faces. This gives them binocular vision, which helps them judge distances accurately. This allows them to catch fish deep underwater.

Gannets are colonial breeders, which means they live in large groups. They build nests on islands and coasts. Most gannets lay only one chalky-blue egg at a time. They do not have special warm patches on their bellies for eggs. Instead, they use their webbed feet to keep the eggs warm.

It takes about five years for a gannet to reach maturity. Young birds are completely black when they are first born. As they grow into subadults, they show more and more white feathers.

The United Kingdom is a very important place for northern gannets. About two-thirds of the whole world's population lives there. Many of these birds live in Scotland, especially in the Shetland Isles.

CapeStMarysBirdRock23
CapeStMarysBirdRock23

The largest colony is on Bass Rock in the Firth of Forth. In 2014, that one colony had about 75,000 pairs of birds. Other important sites include Ireland, Canada, and the Faroe Islands. Some small groups also live in France, Norway, and Germany.

Scientists have studied gannets for a long time through fossils. Many fossil gannets come from the Late Miocene or Pliocene periods. These were times when there were many different kinds of seabirds.

Some prehistoric gannet species lived in warmer areas near the equator. Today, gannets mostly live in temperate oceans. We can see how much they have changed by looking at these ancient bones. Their history shows how living things adapt to a changing world.

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🖼️ Images & Media (5)
File:Gannet up close.jpg
Gannet up close.jpg
File:Gannet, Bempton Cliffs, Yorkshire (geograph 4621592).jpg
Gannet, Bempton Cliffs, Yorkshire...
File:Gannet4.jpg
Gannet4.jpg
File:Gannet_feeding_chick_in_main_colony.jpg
Gannet_feeding_chick_in_main_colony.jpg
File:CapeStMarysBirdRock23.jpg
CapeStMarysBirdRock23.jpg
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