Abstract
Molt data were obtained from 20 scaled quail (Callipepla squamata) chicks raised from hatching. Postnatal and postjuvenal molt sequences of the sp. are described. Pterylographic data were obtained from 8 clipped alcohol preserved specimens of scaled quail, 8 of California quail (Lophortyx californicus), 16 of Gambel quail (L. gambelii), and 4 of Douglas quail (L. douglasii). The only pterylographical differences among the 4 spp. were in crest patterns, rectrix numbers, and lengths of abdominal tract. A dorsal apterium, not previously recognized, was found in each of the 4 quail spp. examined. Callipepla and Liphortyx should perhaps be combined, but not without consideration of related spp. in other genera.

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