AN ORANGELESS MUTANT OF THE VARIED THRUSH AND ITS BEARING ON SEX COLOR-DIFFERENCES
Varied Thrush (Ixoreus naevius) Science Article 2
From a study of a partially albino female Varied Thrush, certain inferences are suggested with regard to sex coloration, principal of which is that, in Ixoreus, the sex difference in pigmentation is quantitative rather than qualitative.
J. EUGENE LAW, THE CONDOR Vol. 23, 1931
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