|Site Of Nest:
|In colonies in a suitable cliff hole or cave.
White belly and throat. They're largely dark brown in colour, with
white patches underneath the beak and on the breast that are separated
by a dark brown streak. Juveniles are similar to adults, but their
feathers are pale edged. They have very small legs.
They breed in mountains from southern Europe to
the Himalaya.They migrate to winter in southern Africa.
Alpine swifts can spend over six months flying without having to land.
All vital physiological processes, including sleep, can be performed
while on air.