Historically, white bison were rare, because they were probably albino (white hair, pink eyes), which occur at a frequency of about 1 in 10 million. But why are white bison so much more frequent now?

Animals that are unusually snowy-white but do not have red eyes are not albino, however. A different, rare genetic disorder known as leucism causes reduction in pigmentation in the skin and hair ...

A Farmington Hills couple were returning home from a Kroger run when they spotted a rare albino deer Monday night. Driving on West 12 Mile Road near Orchard Lake Road, Zoe Ridley, 25, and her ...

hair or skin. Unlike albinism, which results in pink eyes and a complete loss of skin pigment, animals with leucism only have a partial loss of pigment and normally have blue eyes and white ...