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Overview
West African crested tern

West African crested tern

Wikipedia

The West African crested tern is a bird species in the family Laridae. Until 2020 it was considered a subspecies of the New World royal tern, Thalasseus maximus.

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Distribution

Region

West Africa

Typical Environment

Found along the Atlantic coast from Mauritania and Senegal south through the Gulf of Guinea to at least Gabon and Angola. It breeds on low sandy or shelly islands, beaches, and sand spits, often within protected deltas and coastal reserves. Outside the breeding season it disperses widely along the coast, frequenting estuaries, lagoons, and nearshore waters. It typically forages just offshore over shoals where small schooling fish are abundant.

Altitude Range

Sea level to 100 m

Climate Zone

Tropical

Characteristics

Size43–50 cm
Wing Span120–135 cm
Male Weight0.4 kg
Female Weight0.38 kg
Life Expectancy20 years

Ease of Keeping

Beginner friendly: 1/5

Useful to know

Recently split from the New World royal tern, this species breeds in a few large colonies along the West African coast. It is a striking orange-billed tern that plunge-dives for fish in coastal waters and estuaries. Disturbance at breeding islands can have outsized impacts because many birds concentrate in only a handful of sites.

Gallery

Bird photo
Bird photo
Breeding colony at Langue de Barbarie, Senegal

Breeding colony at Langue de Barbarie, Senegal

Behaviour

Temperament

social and colonial

Flight Pattern

strong flier with rapid wingbeats and buoyant glides; frequent plunge-dives

Social Behavior

Breeds in dense colonies on open sandy islets, often alongside other terns. Pairs form seasonal monogamous bonds and defend a small territory around the nest. Nests are shallow scrapes on sand or shell with typically one egg, and both parents incubate and feed the chick.

Migratory Pattern

Partial migrant

Song Description

Calls are loud, harsh, and carrying, often a rolling kerr-iick or kreear given in flight over colonies. Contact calls at sea are shorter, rasping notes used to coordinate foraging.

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