|Against a beam or
shelf in buildings or a ledge on cliffs.
Mud and plant fibres
They feed on the wing by catching insects in their gapes.
They are not particularly fast flyers (estimated at about
but show remarkable manoeuvrability, necessary
to feed on
flying insects while airborne.
Metallic blue upperparts and tail streamers, cream belly
and russet throat.
April-May. Clutches 2-3.
3-8. Smooth, glossy, and white with reddish speckles.