The first case of a natural avian infection caused by the digenetic trematode Ascocotyle (Phagicola) longa Ransom, 1920 in Brazil, is reported from the ardeid bird Ardea cocoi Linnaeus, 1766. This represents a new host record and data on clinical and pathological findings are also reported.
Digenea; Ascocotyle (Phagicola) longa; parasitic infection; Ardea cocoi; birds; pathology; trematode; parasite; Brazil