Black Swift vs Vaux's Swift

In short

The Black Swift and Vaux's Swift can be distinguished by their size and flight behavior. Black Swifts are larger and have a more graceful, gliding flight compared to the smaller, more rapid wingbeats of Vaux's Swift. Both species are dark overall, but their flight patterns and habitats can help in identification.

Identification tips

1. Size and Flight: Look for the larger size and gliding flight of the Black Swift. 2. Habitat: Note the habitat; Black Swifts near cliffs and waterfalls, Vaux's Swifts in forests or urban areas. 3. Calls: Listen for the high-pitched calls of Vaux's Swift. 4. Time of Day: Both species are active during the day, but Vaux's Swifts may be more noticeable in urban areas at dusk.

Size

Black Swift is larger than Vaux's Swift.

Plumage

Both species have dark plumage, making color a less reliable identifier. Focus on size and flight style instead.

Behaviour

Black Swifts exhibit a more leisurely, gliding flight, while Vaux's Swifts have quick, fluttering wingbeats.

Habitat

Black Swifts are often found near waterfalls and cliffs, while Vaux's Swifts are more commonly seen around forests and urban areas, often using chimneys or hollow trees for roosting.

Voice

Vaux's Swift is known for its high-pitched, twittering calls, which can help distinguish it from the generally quieter Black Swift.