The longest rabbit ears measured 79 cm (31.125 in) in a complete span on 1 November 2003 at the American Rabbit Breeders Association National Show in Wichita, Kansas, USA. The ears belong to an English Lop called Nipper's Geronimo who was owned by Waymon and Margaret Nipper of Bakersfield, California, USA.
Nipper's Guinness, as he has been nick-named, is a tortoiseshell-coloured buck, born on 10 May 2003. The width of his ears measured 18.4 cm (7.25 in) at the widest point.
The rabbit died in 2006 approx.
Comments below may relate to previous holders of this record.