2 citations
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March 2017 in “Sultan Qaboos University medical journal” An infant had two different natural hair colors on the scalp with no health issues.
21 citations
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November 2011 in “Veterinary Pathology” Mouse skin color ranges from pink to black, depending on their hair growth cycle.
December 2025 in “The Journal of Basic and Applied Zoology” Red Sokoto goat fetuses develop firmer, pigmented skin with hair follicles as they grow.
October 2025 in “HAL (Le Centre pour la Communication Scientifique Directe)” Variegated coat color in cats is linked to the Silver locus.
October 2019 in “European Journal of Dermatology” The boy's hair and skin color differences are due to a pigmentation disorder.
28 citations
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May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
2 citations
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April 2025 in “Frontiers in Genetics” The ASIP gene is crucial for determining cattle coat color.
3 citations
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June 2001 in “Journal of Zoo and Wildlife Medicine” The lemur's testicular tumor was removed, improving its coat and behavior, with no signs of cancer spread.
September 1973 in “Primates” 3 citations
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March 2019 in “Acta histochemica” Angiotensin II is found at higher levels in black sheep skin and may influence coat color.
1 citations
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January 2016 in “Acta histochemica” Black sheep have higher levels of Gnαs and Gnα11 proteins, which may affect their coat color.
June 2023 in “Animal Bioscience” Vimentin and transthyretin proteins are linked to black coat color in sheep.
4 citations
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June 2024 in “Animals” Genes like MC1R, TYR, MITF, ASIP, and KIT determine horse and donkey coat colors and affect breeding and health.
8 citations
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May 2003 in “Clinical and Experimental Dermatology” A 14-year-old girl's black hair showed unique color changes, suggesting early greying.
September 2024 in “Digital Commons - University of South Florida (University of South Florida)” Hormones can change ptarmigan feather color from white to pigmented.
68 citations
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April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
13 citations
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October 2015 in “Journal of the European Academy of Dermatology and Venereology” The document concludes that early recognition and appropriate treatment of red scalp, red ear, and red scrotum syndromes can lead to remission.
2 citations
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July 2025 in “Drug development & registration” A new algorithm accurately analyzes animal coat and skin colors quickly and easily.
1 citations
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April 2024 in “Science Advances” Female cuckoo color differences are linked to their unique genes and help avoid male harassment.
March 2023 in “Journal of Cosmetic Dermatology” Trichoscopy is effective for diagnosing scalp ACC in darker skin tones.
TBX3 gene affects horse coat color, with higher expression in darker areas.
133 citations
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August 1969 in “Science” Melatonin causes weasels to grow white fur and become reproductively inactive.
November 2025 in “Veterinary and Animal Science” Camel hair structure, not color, helps camels stay cool in the desert.
12 citations
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November 1945 in “Archives of dermatology” Transplanted skin on hooded rats often grows white hair instead of black.
3 citations
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August 2021 in “European journal of medical research” Microbial biofilms may cause red scrotum syndrome.
December 2024 in “PLoS ONE” Alopecia in gray bats is most common and severe during lactation, likely due to stress and nutrition.
21 citations
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September 2015 in “Journal of the European Academy of Dermatology and Venereology” Yellow and orange colors are important for diagnosing certain skin conditions.
1 citations
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February 2025 in “Journal of Anatomy” Gray short-tailed opossums' skin shifts from helping with breathing to regulating body temperature as they grow.
7 citations
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March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
14 citations
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September 2017 in “Hereditas” Genes influence horse coat color and may help understand human skin conditions.