^Cathartes. Mindat.org. Hudson Institute of Mineralogy.
^William Suárez and Storrs L. Olson. 2020. A New Fossil Vulture (Cathartidae: Cathartes) from Quaternary Asphalt and Cave Deposits in Cuba. Bulletin of the British Ornithologists’ Club. 140(3); 335-343. DOI: 10.25226/bboc.v140i3.2020.a6