Wild Free-Roaming Horses and Burros Sale and Adoption Act of 2005 - Provides, with respect to the protection, management, and control of wild free-roaming horses and burros on public lands, for: (1) removing the limitation on the number of animals that may be adopted; and (2) the sale of excess wild free-roaming horses and burros for which an adoption demand by qualified individuals does not exist. Sets a $25 minimum adoption fee required for the adoption of an excess animal.