Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Cuisin, M. 1966. Note sur le regime alimentaire du pic noir (Dryocopus martius L) dans le sud du Department de l'Aube [The diet of Dryocopus martius in the south of the Department of the Aube] . Revue Forestiere Francaise 18:796-800.