This paper presents and analyses for the first time all data on bird images of two Late Antique basilicas of the Roman period (5th-6th c. AD) in the town of Sandanski (SW Bulgaria). A total of eight species have been recognised on the floor mosaics of both basilicas: Anas platyrhynchos, Bucephala clangula, Dendrocygna viduata, Nettapus coromandelianus, Marmaronetta angustirostris, Porphyrio porphyrio, Psittacula krameri, and Sypheotides indicus. Exotic birds of Palaeotropic (Ethiopian) and Indomalayan (Oriental) distribution confirm once again the active ancient Roman contacts with East and Trans-Saharan Africa and the Hindustan Peninsula.