Formerly often spelt Vannellus, diminutive of vannus fan, whence the French name Vanneau.
Head crested. Second and third quills longest. No white on wing outside. Nostril in groove extending more than half length of bill. Tarsus reticulated all round. Two toes cleft to base, two united to nearly first joint. Small hind toe. Europe and M. Asia, wintering in Mediterranean countries; N. W. India and China. Accidental in H. America.