Picus

Trivial name	Latin name
Eurasian Green Woodpecker	Picus viridis
Grey-faced Woodpecker	Picus canus
Japanese Woodpecker	Picus awokera
Crimson-winged Woodpecker	Picus puniceus

comparison of wing and tail configuration¹

¹ According to Hartmann (2000a, 2000b and 2016)