Subspecies (7)

• S. v. squamulata — (Bonaparte, 1850)
• S. v. centralis — (Griscom, 1929)
• S. v. borelliana — (Bertoni, AW, 1901)
• S. v. tamaulipensis — Phillips, JC, 1911
• S. v. virgata — (Cassin, 1849)
• S. v. macconnelli — (Chubb, C, 1916)
• S. v. superciliaris — (Pelzeln, 1863)