Prakruti Parichay
ProcellariidaeBulweria

Bulwer's Petrel

Bulweria bulwerii

27–28 cmMedium
Beak
—
Feet
—
Crest
No crest

Summer visitor. India. Sri Lanka and Maldives. All-dark. long-winged petrel with long and pointed [ or wedge-shaped} tail and pale band across greater upperwing-coverts. From Jouanin ' sby smaller size. proportionately smaller, squarer head with finer bill, more prominent band across greater-coverts!although Jouanin'sin worn plumage may show this}, and different flight action. Flight is springy, erratic and close to the waves, with wings held forward and bowed. in calm conditions, rapid flapping interspersed with short twisting glides. in strong winds, has faster wing-beats and glides in shallow arcs. Habits resemble a small gadfly petrel. Tail often held slightly raised. Circles low over surface when feeding. Usually does not follow ships. Pelagic.

Average size
27.5 cm
Habitat
Pelagic.
Behaviour
Summer visitor., Habits resemble a small gadfly petrel. Tail often held slightly raised. Circles low over surface when feeding. Usually does not follow ships.

About this bird

Summer visitor. India. Sri Lanka and Maldives. All-dark. long-winged petrel with long and pointed [ or wedge-shaped} tail and pale band across greater upperwing-coverts. From Jouanin ' sby smaller size. proportionately smaller, squarer head with finer bill, more prominent band across greater-coverts!although Jouanin'sin worn plumage may show this}, and different flight action. Flight is springy, erratic and close to the waves, with wings held forward and bowed. in calm conditions, rapid flapping interspersed with short twisting glides. in strong winds, has faster wing-beats and glides in shallow arcs. Habits resemble a small gadfly petrel. Tail often held slightly raised. Circles low over surface when feeding. Usually does not follow ships. Pelagic.

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Bulwer's Petrel is bigger than Ashy-headed Green Pigeon but smaller than Andaman.

This bird

Bulwer's Petrel

Bulweria bulwerii

27–28 cm