Chimney Swift
Chaetura pelagica
The Chimney Swift is a rare migrant to Britain, typically seen during the summer months, and is notable for its unique adaptation to urban environments, often nesting and roosting in chimneys and other vertical structures. It is a medium-sized bird that can be spotted in the skies above Britain, although sightings are infrequent and usually involve individual birds that have wandered away from their usual North American range.
Field Identification Guide
Use these features to identify Chimney Swift in the field.
The Chimney Swift can be identified at a glance by its sooty gray plumage, very long and slender wings, and very short legs, which make it incapable of perching on flat surfaces. Its wing shape and size are distinctive, with a crescent-shaped wing tip and a long, pointed tail.
The Chimney Swift is slightly smaller than a Starling, with a more slender build and longer wings, making it a distinctive sight in the skies.
The male Chimney Swift has a uniform sooty gray plumage with no distinctive markings or seasonal variations, giving it a sleek and streamlined appearance.
The female Chimney Swift has similar plumage to the male, with no notable differences in colour or pattern, making it challenging to distinguish between the sexes based on appearance alone.
The Chimney Swift has a high-pitched, chirping call that sounds like a rapid series of sharp "chip" notes, often given in flight or while roosting.
Chimney Swifts are aerial feeders, catching insects in mid-air with their long, slender wings and short legs, and are often seen flying rapidly and erratically in pursuit of prey, with a distinctive "sawing" motion to their wings.
The Chimney Swift can be confused with other swift species, such as the Common Swift or the Pallid Swift, but can be distinguished by its sooty gray plumage, longer wings, and shorter legs, as well as its distinctive call and feeding behaviour.
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