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The Nyanza swift nests in colonies [2] around steep rocky regions, gorges, cliff faces, among tall buildings, [4] and under house eaves in air vents. It commonly nests during two periods of rainy seasons with June through September being the most optimal season and February through April, which is a less uncommon time. [2]
They may use suitable human-built structures, such as house eaves and streetlights. The nest is an open structure made of grass, lined with feathers and hairs, packed densely for compactness. Some ornithologists have reported this bird building domed nests in acacia trees, but these records may reflect confusion with the Spanish sparrow. [18]
Eaves must be designed for local wind speeds as the overhang can significantly increase the wind loading on the roof. [7] The line on the ground under the outer edge of the eaves is the eavesdrip, or dripline, and in typical building planning regulations defines the extent of the building and cannot oversail the property boundary.
The nests are built at the junction of a vertical surface and an overhang, such as on house eaves, so that they may be strengthened by attachment to both planes. [9] Breeding birds return to Europe between April and May, and nest building starts between late March in North Africa and mid-June in Lapland. The nest is a neat closed convex cup ...
It is a small bird, but a medium-sized swift, with a wingspan of 12.5-14.5 cm. Its body size ranges from 14 to 16 cm and weighs approximately 20-35 g. This species has a dark, slightly forked tail. Other than the white rump band and white throat-patch, the house swift has a black plumage, darker than the little swift.
Taylor Swift attends the 2019 Billboard Music Awards at MGM Grand Garden Arena on May 1, 2019, in Las Vegas, Nevada.
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