The brown-headed nuthatch (Sitta pusilla) is a small songbird found in pine forests throughout the Southeastern United States. Genetic analyses indicated low differentiation between northern and southern populations in Florida. A population on the Bahamas showed moderate to high differentiation compared with Florida populations. The Bahama nuthatch was and still is considered a subspecies (S. p. insularis) by several authorities including the IOC, but the IUCN and BirdLife In