Hawkins • THE ‘FIRST BASIC PROBLEM' REVISITED 
419 
Houghton Mifflin Harcourt, Boston, Massachusetts 
and New York. USA. 
Howell. S. N. G. and C. Corben. 2000. A commentary on 
molt and plumage terminology: implications from the 
Western Gull. Western Birds 31:50-56. 
Howell. S. N. G.. C. Corben. P. Pyle, and D. I. Rogers. 
2003. The first basic problem: a review of moll and 
plumage homologies. Condor 105:635-653. 
Howell. S. N. G„ C. Corben. P. Pyle, and D. I. Rogers. 
2004. The first basic problem revisited: reply to 
commentaries on Howell et al (2003). Condor 
106:206-210. 
Humphrey, P. S. and K. C. Parkes. 1950 An approach to 
the study of molts and plumages. Auk 76:1-31. 
Humphrey, P. S. and K. C. Parkes. 1963. Comments on 
the study of plumage succession. Auk 80:496-503. 
Jenni, L. and R. Winkler. 1994. Moult and ageing of 
European passerines. Academic Press. London, United 
Kingdom. 
Jenni, L. and R. Winkler. 2004. The problem of molt and 
plumage homologies and the first plumage cycle. 
Condor 106:187-190. 
Kimball. R. T 2006. Hormonal control of coloration. 
Pages 431-468 in Bird coloration. Volume I. Mech¬ 
anisms and measurements (G. E. Hill and K. J. 
McGraw. Editors). Harvard University Press, Cam¬ 
bridge. Massachusetts. USA. 
Marti, C. D„ A. P. Poole, and L. R. Bevier. 2005. Barn 
Owl (Tyto alba). The birds of North America. 
Number 1. 
Moreno, J. and J. J. Solhr, 2011. Sources of distinctive¬ 
ness of juvenile plumage in Western Palearetie 
passerines. Biological Journal of the Linneun Society 
102:440-454. 
Oring. L. W. 1968. Growth, molts, and plumages of the 
Gadwall. Auk 85:355-380. 
Palmer. R. S. (Editor). 1962. Handbook of North 
American birds. Volume 1. Yale University Press, 
New Haven. Connecticut. USA. 
Payne. R. B. 1972. Mechanisms and control of moll. Pages 
104-155 in Avian biology ID. S. Earner and J. R. King, 
Editors). Volume 2. Academic Press. New York. USA. 
Piersma, T. 2004. Understanding evolution of plumages 
and other cyclic avian life-history phenomena: role 
for an improved molt terminology. Condor 106:196- 
198. 
Pyle. P. 1997. Identification guide to North American 
birds. Part 1. Slate Creek Press. Bolinas, California, 
USA. 
Pyle. P. 2005. Molts and plumages of ducks (Anatinae). 
Watcrhirds 28:208-219. 
Pyle. P. 2008. Identification guide to North American 
birds. Part II Slate Creek Press. Bolinas. California, 
USA. 
Rohwer. S.. C. W. Thompson, and B. E. Young. 1992. 
Clarifying the Humphrey-Parkes molt and plumage 
terminology. Condor 94:297 300. 
STANCEL. P. W. 1985. Incomplete first prebasic molt of 
Massachusetts House Finches. Journal of Field Orni¬ 
thology 56:1-8. 
Svensson, E. AND A. HedenstrOM. 1999. A phylogenetic 
analysis of the evolution of moult strategies in Western 
Palearetie warblers (Aves: Sylviidac). Biological 
Journal of the Linneun Society 67:263-276. 
Tenney, C. R 1997. Black-chinned Span-ow (Spizella 
atrogularis). The birds of North America. Number 270. 
THOMPSON. C. w. 2004. Determining evolutionary homol¬ 
ogies of molts and plumages: a commentary on Howell 
et al. (2003). Condor 106:199-206. 
Thompson. C. W. and M. Leu. 1994. Determining 
homology of molts and plumages to address evolu¬ 
tionary questions: a rejoinder regarding emberizid 
finches. Condor 96:769-782. 
VoiTKEVlCH. A. A. 1966. The feathers and plumage of 
birds. Sidgwick and Jackson. London, United King¬ 
dom, 
WILLIAMSON, F. S. L. 1956. The molt and testis cycles of 
the Anna Hummingbird. Condor 58:342-366. 
Willoughby. E. .1. 1986. An unusual sequence of molts 
and plumages in Cassin's and Bachman's sparrows. 
Condor 88:461—473. 
Wti I.OUGHBY. E. J. 1989. The molts of Chipping Sparrows 
and Field Sparrows in Maryland. Maryland Birdlife 
45:127-134. 
Willoughby, E. J. 2004. Molt and plumage terminology of 
Howell et al. (2003) still may not reflect homologies. 
Condor 106:191-196. 
