Yellow-shafted flicker. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/yellow-shafted-flicker
A subspecies (Colaptes auratus subsp. auratus) of the northern flicker found in northern and eastern North America, having a black crescent on the breast, a conspicuous white rump, and yellow shafts in the wing and tail feathers. Also called yellowhammer .