aerial feeder

They are aerial feeders that capture small insects in flight over forests and other vegetation.

Histiotus are aerial feeders and use echolocation to catch prey.

The river martins are in some ways intermediate between typical swallows and other passerines: they have stout bills, large feet and relatively strong legs, which is unusual in aerial feeders.

An Italian study showed that, as with other aerial feeders, the start of breeding was delayed by cold or wet weather, but this had no influence on the clutch size nor on the number of fledged young.

Aerial feeders ran underground and came up in the centre of the hut and were connected to a direction finding goniometer and a wireless receiver that allowed the bearing of the signal source to be measured.

Most of the species are about 15 to 18 cm long, specialist aerial feeders, and named as "fantails", but the Australian Willie Wagtail, is a little larger, and though still an expert hunter of insects on the wing, concentrates equally on terrestrial prey.