Saker FalconCoffee drawing by OWAIN MILLS. The saker falcon (Falco cherrug) is a very large falcon. This species breeds from eastern Europe eastwards across Asia to Manchuria. It is mainly migratory except in the southernmost parts of its range, wintering in Ethiopia, the Arabian peninsula, northern Pakistan and western China. Saker falcons have brown upperbellies and contrasting grey flight feathers. The head and underparts are paler brown, with streaking from