The first Leopard Boas popped up in a litter of what was thought to be normal appearing Sonoran Desert Boas. These boas were in the collection of Hans Winner of Germany. Hans proved that this Pattern anomaly Boa was an inheritable recessive trait by line breeding the leopard Boas back to siblings and parents. The leopard pattern is similar to that of a labyrinth Burmese python in that is has some stripes and dashes along its dorsal area. The dorsal blotches are broken up into stripes that fade down the marbled patterned sides. The tail is also aberrant with its blotches that are broken up by dashes and dots. The tail starts out red to rust but eventually turns darker with age as does the overall background color. They have a unique feature in that some possess a gold head and some have a red chin & Red bellies. They also have beautifully marked faces that resemble the whiskers of a leopard & some Leopards are completely striped while others are Spotted. Even the normal gene carriers or Het for Leopard boa have a unique appearance. The Leopard Boa is also a very small boa and most breeding females are around 1,5 meter in length.