Alpine Swift vs Alpine Accentor

In short

The Alpine Swift and Alpine Accentor are easily distinguished by their size and flight behavior. The swift is a large, fast-flying bird with a white belly and throat, while the accentor is a smaller, ground-dwelling bird with a streaked brown back and a more sparrow-like appearance.

Identification tips

1. Size and Flight: Look for the larger, fast-flying Alpine Swift in the sky. 2. Plumage: Note the Alpine Swift's white belly and throat versus the streaked brown and grey of the Alpine Accentor. 3. Behavior: Observe the swift's aerial behavior compared to the accentor's ground-dwelling habits. 4. Vocalization: Listen for the swift's twittering calls versus the accentor's melodious whistles.

Size

The Alpine Swift is significantly larger, with a wingspan of up to 55 cm, compared to the smaller Alpine Accentor, which is more sparrow-sized.

Plumage

The Alpine Swift has a distinctive white belly and throat contrasting with its dark brown upperparts. In contrast, the Alpine Accentor has a streaked brown back, a grey head, and a rufous-streaked breast.

Behaviour

Alpine Swifts are almost always seen in flight, often in flocks, and are known for their fast, agile flying. Alpine Accentors are typically found on the ground or low vegetation, often seen hopping or walking.

Habitat

Both species inhabit mountainous regions, but the Alpine Swift is usually seen in open skies above cliffs or rocky areas, while the Alpine Accentor is found on the ground in alpine meadows or rocky slopes.

Voice

The Alpine Swift has a high-pitched, twittering call, often given in flight. The Alpine Accentor's song is a series of melodious whistles, more typical of a passerine.