# Thick billed parrot
Arizona's effort to save thick-billed parrots in Mexico preserves biodiversity in Pinal County skies
Thick-billed parrots on a branch.(OVIS) (Pinal County, AZ) Arizona was once home to one of two parrot species occurring naturally in the contiguous U.S. Though the last known Carolina parakeet died in 1918, thick-billed parrots live on in Mexico, some tantalizingly close to the Arizona border.