Experiments have been conducted to clone Celia, the last Pyrenean bucardo, which died in 2000. Living tissue samples taken before her death enabled the cloning process to begin. Somatic cells taken from Celia’s tissue were fused with oocytes from goats, whose nuclei had been removed beforehand. The resulting embryo was then transferred to a domestic goat. In 2003, the first attempt to clone the Pyrenean Bucardo failed. Of the 285 embryos created, 54 were transferred to 12 goats, but only two survived the first two months of gestation before also dying. Subsequent attempts led to the birth of a clone in 2009, which died a few minutes after birth due to a lung malformation.