Northern Gannet (Morus bassanus (Linnaeus, 1758))

Scientific name: Morus bassanus (Linnaeus, 1758)
Common name: Northern Gannet
French name: Fou de Bassan
Order: Suliformes
Family: Sulidae
Size: Body size: 87 to 100 cm; Weight: 2.4 à 3.6 kg; Wingspan: 165 to 180 cm.
Habitat: Sea coasts and offshore.
Food: Fish caught by diving like an arrow up to 15 meters deep.
Nesting: Northern Gannets nest in large, dense colonies on islands or rocky shores. Couples can stay together for life. There is only one egg per clutch.
Migration: Gannets disperse southwards along the coasts at the end of the breeding season.
Geographic area: Atlantic, North Sea and Western Mediterranean coasts.

Northern Gannets are large white birds with black wingtips.
Neck and head are pale yellow.
The dagger-shaped bill is light grey and marked with thin and sharp black lines.
The eyes are light grey, outlined in blue and surrounded by a black mask.
There is no sexual dimorphism.
First-year young are dark brown and gradually lighten to reach adult plumage around 5 years of age.


Northern Gannet (Morus bassanus) - Percé, Gaspésie, Québec, Canada - September 4th 2017
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Northern Gannet (Morus bassanus)
Visits to Bonaventure Island are not possible today because the sea is too rough. We therefore content ourselves with a walk along the coast. Sightings of Northern Gannets in flight are quite numerous.



Northern Gannet (Morus bassanus) - Bonaventure Island, Gaspésie, Québec, Canada - September 5th 2017
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Northern Gannet (Morus bassanus)
First view of the colony of Northern Gannets on Bonaventure Island from the boat which skirts the coast before disembarking tourists wishing to see the colony more closely. By luck the weather is better today.



Northern Gannet (Morus bassanus) - Bonaventure Island, Gaspésie, Québec, Canada - September 5th 2017
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Northern Gannet (Morus bassanus)
Transporting plants to the nesting area (photo taken from the boat).



Northern Gannet (Morus bassanus) - Bonaventure Island, Gaspésie, Québec, Canada - September 5th 2017
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Northern Gannet (Morus bassanus)
We disembark on Bonaventure Island on the west side and the reserve guards explain the conditions of the visit. You then have to follow a small path that leads to the colony of Northern Gannets on the east coast, facing the rising sun.
Here is the colony, it's really impressive. It is one of the largest in the world.
However, as soon as we arrived, the guards ordered us to turn around immediately, the weather is getting worse and we have to immediately join the boat for the return.
We took 10 minutes to obey, and the following photos were taken during this short time.



Northern Gannet (Morus bassanus) - Bonaventure Island, Gaspésie, Québec, Canada - September 5th 2017
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Northern Gannet (Morus bassanus)
You can see, here and there, courtship displays, beaks pointing towards the sky while shaking heads.



Northern Gannet (Morus bassanus) - Bonaventure Island, Gaspésie, Québec, Canada - September 5th 2017
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Northern Gannet (Morus bassanus)
Another courtship display a little closer.



Northern Gannet (Morus bassanus) - Bonaventure Island, Gaspésie, Québec, Canada - September 5th 2017
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Northern Gannet (Morus bassanus)
Northern Gannets must be accustomed to visitors and it is possible to observe them very close to the protective barriers.



Northern Gannet (Morus bassanus) - Bonaventure Island, Gaspésie, Québec, Canada - September 5th 2017
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Northern Gannet (Morus bassanus)
Already rather large juveniles are visible among the adults.



Northern Gannet (Morus bassanus) - Bonaventure Island, Gaspésie, Québec, Canada - September 5th 2017
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Northern Gannet (Morus bassanus)
Juveniles are dark in colour and will not have their adult plumage until about 5 years of age.



Northern Gannet (Morus bassanus) - Bonaventure Island, Gaspésie, Québec, Canada - September 5th 2017
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Northern Gannet (Morus bassanus)
The comings and goings above the colony also allow you to take many photos in flight (and we only stayed there for 10 minutes…)

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