Case report reveals ectopic locations of Pegosomum bubulcum causing severe illness in an Eastern Great Egret, indicating health risks for the species.
Multiple trematodes identified as Pegosomum bubulcum, a species that typically inhabits avian bile ducts, were found in ectopic locations, including the liver surface, coelomic cavity, and lungs of an Eastern Great Egret (Ardea alba modesta), which also exhibited severe coelomitis, airsacculitis, and a markedly dilated, fibrotic extrahepatic bile duct.
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Oh et al. (2026) studied this question.
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