This is a first sighting for me - seen in Palo Duro Canyon State Park. The Gambel's Quail is about the size of a robin, and has a plume coming from his forehead that makes this quail readily identifiable. We saw this one standing watch for his mate and a brood of chicks they were raising together.
Gambel's Quail usually forages for seeds, buds and shoots, cacti, fruit, and will occasionally eat insects. They nest on the ground under cover of shrubs or grass.