This study comprehensively reviews
studies conducted on helminth parasites observed in birds in Türkiye between
2000 and 2025. Türkiye's rich avian fauna and its location on migratory routes
are key factors contributing to helminth diversity. Numerous species belonging
to the groups Digenea, Cestoda, Nematoda, and Acanthocephala have
been identified; some of these are the first records for Türkiye. High
prevalence rates have been reported, particularly in waterfowl and birds of
prey, reaching up to 80% in some species. In addition to morphological
identifications, the use of molecular (PCR, sequence analysis) and
histopathological methods has become widespread, increasing the accuracy of
species identification and providing a clearer understanding of the effects of
parasites on host tissues. The impact of parasites on host behavior, population
dynamics, and ecosystem functioning is highlighted, and the spread of parasites
via migratory birds and zoonotic risks are highlighted. In conclusion, it is
emphasized that, the avian helminth fauna in Türkiye still has a
large potential to be discovered, therefore, molecular and histopathological
based field studies should be expanded, and long-term monitoring programs
should be established.
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