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Overview
Scopoli's shearwater

Scopoli's shearwater

Wikipedia

Scopoli's shearwater is a seabird in the petrel family Procellariidae. It breeds on rocky islands and on steep coasts in the Mediterranean but outside the breeding season it forages in the Atlantic. It is brownish grey above with darker wings and mostly white below. The bill is pale yellow with a dark patch near the tip. The sexes are alike. It was formerly considered to be conspecific with Cory's shearwater.

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Distribution

Region

Mediterranean Sea and Northeast Atlantic

Typical Environment

Breeds on rocky islands, sea cliffs, and islets throughout the Mediterranean, nesting in burrows, crevices, or under boulders. After breeding, many birds move through the Strait of Gibraltar to forage in the Northeast Atlantic. They frequent productive upwelling zones off Iberia and Northwest Africa and may range to the Azores and Canary Current. At sea they are strongly pelagic, typically far from land except during the breeding season. They concentrate along continental shelf edges, oceanic fronts, and areas of high prey availability.

Altitude Range

Sea level to 100 m

Climate Zone

Subtropical

Characteristics

Size45–52 cm
Wing Span110–125 cm
Male Weight0.75 kg
Female Weight0.7 kg
Life Expectancy25 years

Ease of Keeping

Beginner friendly: 1/5

Useful to know

A large Mediterranean-breeding shearwater, Scopoli's was split from Cory's shearwater and shows more white in the underwing. It masters dynamic soaring, skimming wave fronts for long distances with minimal flapping. Adults visit colonies mostly at night to avoid predators and light pollution can disorient them. Like other tubenoses, it has a specialized salt gland to excrete excess salt from seawater.

Gallery

Bird photo
Bird photo
Bird photo
Egg

Egg

Skull of a Scopoli's shearwater

Skull of a Scopoli's shearwater

Behaviour

Temperament

social at sea, territorial at nest

Flight Pattern

soaring glider

Social Behavior

Breeds in dense colonies, often returning to the same burrow for many years. Pairs are largely monogamous, sharing incubation and chick-rearing duties. Adults commute to sea by day and usually approach and depart colonies under cover of darkness.

Migratory Pattern

Seasonal migrant

Song Description

At colonies gives eerie, wailing and cackling calls, mostly at night. At sea it is generally quiet, with occasional low calls during interactions.

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