Canadian Marine Life Encyclopedia
Also known as
Both sides of the Atlantic; from Labrador and Norway south to the equator
Nest on rocky shores & cliffs; feed in the ocean
Active (diving) predator
Order Siliformes (cormorants, gannets & relatives); Family Sulidae (gannets and boobies)
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Northern gannets live the vast majority of their lives at sea, only coming ashore to breed and raise their chicks. They are fast and powerful flyers, but can also glide for hours just above the waves, barely flapping their wings. They are plunge-divers, able to enter the water from heights of more than 30 meters in search of fish. Although most of their dives are relatively shallow, Northern gannets can go as deep as 22 meters, using their large webbed feet and wings to swim down in pursuit of fish. After spotting a fish, gannets will wheel around in the air and dive nearly straight down. Just before entering the water they thrust their wings out straight behind their back in a torpedo-like fashion, allowing them to pierce through the water at incredible speeds.