The black-footed ferret was thought completely extinct due to habitat loss until a small colony was discovered in 1981. Elizabeth Ann is the first step to introducing a new line into the family tree. The embryo that split and multiplied to become Elizabeth Ann was created using a process called somatic nuclear transfer. The egg used for Elizabeth Ann was from a domestic ferret. Fish and Wildlife Service, Revive & Restore, ViaGen Pet & Equine, San Diego Zoo Global, and the Association of Zoos and Aquariums to restore the black-footed ferret species.