Melanerpes

trivial name latin name
Golden-fronted Woodpecker Melanerpes aurifrons
Red-headed Woodpecker Melanerpes erythrocephalus
Acorn Woodpecker Melanerpes formicivorus
Lewis's Woodpecker Melanerpes lewis
Black-cheeked Woodpecker Melanerpes pucherani
Hispaniolan Woodpecker Melanerpes striatus

comparison of wing and tail configuration