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Photographs of lungs from a mallard duck found dead in Idaho

By National Wildlife Health Center
Photographs of mallard duck lungs with arrows pointing to white to tan nodules.
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Detailed Description

Photographs from a mallard duck (Anas platyrhynchos) found dead in Idaho, USA.  (A) The lungs are dark red and have multifocal 1-3 mm diameter white to tan nodules disseminated throughout (arrows).  (B) Cut section of the lung showing the nodules within the parenchyma (arrows).

Sources/Usage

Public Domain.