111 | Plastic Contamination in Bycaught Yelkouan Shearwater (Puffinus Yelkouan) from the Mediterranean Sea: Marco Parolini1, Federico Tossani1, Federico De Pascalis2, Dimitra Christidi3, Angelos Evangelidis3, Andrea Benvenuti4, Sara Di Leo1, Simona Mondellini1, Giacomo Dell’Omo4, Danae Portolou3, Jacopo G. Cecere2, Diego Rubolini1 | 1Department of Environmental Science and Policy, University of Milan, Italy; 2Area Avifauna Migratrice, Istituto Superiore Per La Protezione E La Ricerca Ambientale ISPRA, Ozzano dell’Emilia, Italy; 3Hellenic Ornithological Society, Athens, Greece; 4Animal Tracking, TECHNOSMART EUROPE Srl, Guidonia-Montecelio, Roma, Italy. J Biol Res 2026, 99 (s1). https://doi.org/10.4081/jbr.2026.15363.