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During pollination, pollen grains can be transported to distant distances by various factors such as wind, insects, birds, and reptiles. While there have been numerous studies on pollen transportation by birds in Europe, there is a lack of research concerning the pollen grains transported by bird species in Turkey. In this context, we explored the role of Sylviidae species in pollination and identified the plant species whose pollen is transported by these birds. The temporary ringing station located at İstanbul University-Cerrahpaşa Avcılar Campus was selected as the study area and a total of 35 feather samples were collected from individuals of Sylvia atricapilla (Linnaeus), S. borin (Boddaert), Curruca communis (Latham), C. cantillans (Pallas), C. curruca (Linnaeus) and C. melanocephala (Gmelin) captured at station. Based on the analysis of pollen found on the feather samples, it was determined that the pollen found in 18 feather samples of Curruca curruca and Sylvia atricapilla provided pollen belonging to Pinus (Pine), Aesculus (Horse chestnut), Prunus (Plum), Spiraea (Spiraea), Quercus (Oak), Fraxinus (Ash) and Melia (Bead tree). The most commonly determined pollen on C. curruca were of Prunus (63.5%), while the least common were of Aesculus (0.9%). The most commonly determined pollen on S. atricapilla were of Melia (48.1%), while the least common were of Crocus (0.2%). The presence of pollen among the food sources of Sylviidae species during spring, the synchronization between the arrival time of birds in the study area during migration and the pollination period of the determined plant taxa, and the prevalence of these taxa in the study area suggest that S. atricapilla and C. curruca may be contributing to pollination.