Abnormal coloration in birds: Melanin reduction – Sibley Guides
Tricolored Blackbird Identification, All About Birds, Cornell Lab of Ornithology
Melanin-based structural coloration of birds and its biomimetic applications, Applied Microscopy
Colour vision in sengis (Macroscelidea, Afrotheria, Mammalia): choice experiments indicate dichromatism in: Behaviour Volume 157 Issue 14-15 (2020)
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Does melanin-based plumage coloration reflect health status of free-living birds in urban environments?, Avian Research
Melanin-based coloration and host–parasite interactions under global change
What's in a name? Nomenclature for colour aberrations in birds reviewed
PDF) Cosmetic Coloration in Birds: Occurrence, Function, and Evolution
Extensive hybridization reveals multiple coloration genes underlying a complex plumage phenotype
Ciliary genes arl13b, ahi1 and cc2d2a differentially modify expression of visual acuity phenotypes but do not enhance retinal degeneration due to mutation of cep290 in zebrafish
Surprising Animal Color Abnormalities
The dark side of birds: melanism—facts and fiction
Surprising Animal Color Abnormalities
New records of pigmentary abnormalities in two species of birds in Cali, Colombia
It's Not Black or White: another foray into abnormal pigmentation in birds
What's in a name? Nomenclature for colour aberrations in birds reviewed
