Leucism occurs when black ravens with the same ... When they work together to share food and one raven takes more than the others, the other ravens lose trust and refuse to cooperate with that ...

Wildlife rangers in Belize saw an oddly colored creature fall from a tree and later identified it as a Spix’s disc-winged bat with leucism. Photo from Getty Images / iStockphoto In a rainforest ...

They have a condition called leucism which prevents pigmentation in skin cells. The giraffes can still produce pigment on their eyes, which makes it different from albinism. Produced by Claudia Romeo.

Leucism is a condition that produces a wide variety of results, ranging from partial to nearly complete loss of pigmentation in an animal. The terms leucistic and leucism are derived from the ...