The MZUSP Bird Collection is currently the largest and most complete collection of Brazilian birds in the world, also covering the largest number of locations in the country. It has approximately 115,000 specimens kept in dry (skins), of which approximately 160 are type specimens, plus approximately 20,000 tissue samples, 3,500 skeletons, 2,000 nests, 3,000 eggs, and more than 2,500 specimens kept in wet. It has a vocalization bank that already counts more than 800 species of birds from Brazil and other countries. All collections have been computerized to enable their better management and service to the external public. It receives, annually, more than 40 visitors from Brazil and abroad.