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Photographs from a Trumpeter Swan (Cygnus buccinator) found dead in Indiana

Detailed Description

Photographs from a Trumpeter Swan (Cygnus buccinator) found dead in Indiana, U.S.A.  (A) The majority of the intestinal serosa is dark red. (B) The lumen contains gelatinous dark red material and many <1 mm diameter white structures (trematodes) (arrows). (C) On the serosal surface are two 2 to 5 mm discrete ulcers (arrow). (D) On the corresponding mucosal surface is an accumulation of soft tan material (necrotic debris) (arrow).

Sources/Usage

Public Domain.

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