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Facts about the Great Black-Backed Seagull


Great Black-Backed Seagull - Larus marinus

Seagull standing on pole
Seagull

Family:

Gulls


Lifespan:

Approx. 20 years


Size:

Length: 27.9-31.1 inch. Or 71-79 cm

Weight: 45.9-70.5 oz. Or 1300-2000 g

Wingspan: 57.5-63.0 inch. Or 146-160 cm


Appearance:

Adults have white feathers with dark gray backs and upper wings. They have a pointy yellow beak with a dark red spot.

Gull chicks are spotted black and white. They are capable of flight after 7-8 weeks.


Fun Facts:

  • Seagulls are the state bird of Utah. They once helped the state overcome a cricket plague.

  • Seagulls can drink salt and freshwater. They have glands above their eyes that sift out salt.

  • Seagulls can recognize people’s faces, especially those that interact or feed them.

Habitat:

Coastal areas, seagulls nest on rocky cliffs or islands. They can be found in North America and Europe, near marine ecosystems.


U.S. States:

All 50. There are an estimated one million seagulls in the United States.



Behavior:

Great Black-backed seagulls are aggressive birds known for their bold scavenging behavior, and even stealing each other's prey. They are known to attack any and all smaller prey. Black-backed seagulls will eat anything they can swallow.


Diet:

fish, crustaceans, mollusks, seabirds, small mammals, and anything they can put down their gullet.


Deterrent:

Effective strategies to remove and keep seagulls away from businesses and property include: Grid Wire Systems, Shock Deterrents, Sound devices and birds spikes. All are available from Aviaway.com.




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