Do glucocorticoids or carotenoids mediate plumage coloration in parrots? An experiment in Platycercus elegans.
See the paper at GENERAL AND COMPARATIVE ENDOCRINOLOGY.
Do glucocorticoids or carotenoids mediate plumage coloration in parrots? An experiment in Platycercus elegans.
See the paper at GENERAL AND COMPARATIVE ENDOCRINOLOGY.