The papal ferula is the pastoral staff used in the Catholic Church by the pope. It is a rod with a knob on top surmounted by a cross. It differs from a crosier, the staff carried by other Latin Church bishops, which is curved or bent at the top in the style of a shepherd's crook.
Pope John Paul II holding the ferula of Pope Paul VI, on 5 October 1997
Pope Benedict XVI holding the 1877 ferula of Pius IX on 5 October 2008.
A crozier or crosier is a stylized staff that is a symbol of the governing office of a bishop or abbot and is carried by high-ranking prelates of Roman Catholic, Eastern Catholic, Eastern Orthodox, Oriental Orthodox,Malankara Mar Thoma Syrian Church,and some Anglican, Lutheran, United Methodist and Pentecostal churches.
Western-style crozier of Archbishop Heinrich II of Finstingen [de] (1260–86) in the Treasury of Trier Cathedral
Eastern-style crozier of the Syriac Orthodox Patriarch of Antioch with serpents representing the staff of Moses
Eastern Orthodox tau-shaped crozier belonging to St. Dimitry of Rostov in Rostov museum
Eufemia Szaniawska, Abbess of the Benedictine Monastery in Nieśwież with a crozier, c. 1768, National Museum in Warsaw