Excessive dark pigmentation in organisms.
Genetic condition leading to increased melanin production.
Dark coloration observed in certain animal species.
Ecological adaptation for camouflage or thermoregulation purposes.
Excessive black pigmentation in organisms.
Dark coloration of fur, feathers, or skin.
Genetic condition causing increased melanin production.
Adaptation for camouflage in dark environments.
Phenomenon observed in certain animal populations and species.