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Maximum age:21 years
Eggs and clutches:Incubation 20 days. 1 - 2 eggs
Latin name:Apus apus
Description
When swifts sleep while flying at high altitudes, it is assumed that they sometimes rest on the rising thermals and doze off for a little while. They have to beat their wings from time to time to gain altitude again.
Appearance
Swallow-like bird with narrow scythe-shaped wings and a deeply cleft tail. The bird is a matt brown-black with a grey throat, small beak, big mouth and extremely short legs where all four toes point forward.
Sounds and song
The flight call is shrill and repetitive.
Song
Food and bird tables
Relies entirely upon finding its food in the air, and its diet consists of very small insects such as spiders, plant lice etc.
The nest and hollows
Will settle in hollows if they have the right shape. Will start breeding after the age of four. The nest is placed in a hollow in a building, mainly under roofing tiles. Unfortunately, there is no room for nesting under modern tiling which means nesting boxes especially developed for the species can help stop the decrease in numbers. Will usually build with materials they catch in flight.