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Black-Headed Gull

Black-Headed Gull

Key facts

Scientific name: Chroicocephalus ridibundus
Status: Resident breeding species

Breeding birds: 140,000 pairs

Wintering birds: 2.2 million birds

Conservation status: Amber
Length: 37 – 43 cm
Wingspan: 95 – 110 cm
Weight: 195 – 325 g

What do black-headed gulls look like?

Adult black-headed gulls in breeding season have a dark chocolate-brown head with a white neck. The upperparts are grey and the underparts are white.

Black-headed gulls’ eyes are dark brown with two white crescents. They have deep red bills, legs and feet.

Out of breeding season, black-headed gulls have white heads with black spots on the ear coverts and a black tip on their bills.

Both adult male and female black-headed gulls look similar. Juveniles have brown markings on the upperparts and a black band on the tail.

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How do black-headed gulls breed?

Black-headed gulls nest in colonies on cliffs, the ground or in buildings. They build their nests, which are usually a scrape in the ground or sometimes a pile of dead plant material, close together, sometimes even touching.

Black-headed gulls lay 2-6 eggs which are smooth and glossy and green-blue colour with dark blotches. Both parents incubate the eggs which lasts 22-26 days.

The chicks are precocial and are fed by both adults. They stay near the nest site till fledging which occurs about 35 days after hatching.

What do black-headed gulls eat?

Black-headed gulls feed on insects, fish, grains and berries. They will also eat discarded food inland and will steal food from other gulls by harassing them.

Black-Headed Gull

Where can I see black-headed gulls?

Black-headed gulls are the most common inland gull and can be seen all year round particularly in northern England, Scotland and Wales. Large colonies are found along the south and east coasts of England.

They are sociable and noisy birds, gathering into large groups where there is food.

What do black-headed gulls sound like?

Eetu Paljakka/xeno-canto

Did you know?

In the 19th century black-headed gulls were quite rare and were hardly ever seen inland. Now, they are the most common inland gull species found throughout the country including central London.

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One Response

  1. I had never seen a black headed gull in Swindon, on my walk around lydiard park there were a number of them, they caught my attention because of their brown heads. Reading through I can see they are quite common.

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