Black-faced Woodswallow

The Black-faced Woodswallow is a "smokey grey-brown above with a black face around the base of the bill and the eyes. The underparts are lighter grey with a black undertail in the race cinereus or a white undertail in the race albiventris of north-eastern Queensland. The black tail feathers are tipped white. The bluish bill is tipped black." (Birdlife Australia)