Coat of arms of the U.S. bishop Richard Joseph Malone, Bishop of Buffalo.
Blazon: Arms impaled. Dexter: Agent, upon a mount, issuant from base Vert, a North American buffalo Gules, holding, upon a staff Or, a burgee of the Savior (red cross upon white), that extends into a chief of the last. Sinister: Vert, a lion Rampant combatant Or; upon a chief chevronny, Azure and Argent, the monogram of Mary, of the second. 
Motto: “LIVE THE TRUTH IN LOVE”.
Reference:

www.buffalodiocese.org
Own work
SajoR