Merck Manual

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Cachectic bird
Cachectic bird

    Poor body condition in a bird with atrophy of pectoral muscles and prominent keel bones (this could be palpated on a physical examination). This bird is also anorexic and dehydrated, noted by the dark color of the muscles and lack of feed in the crop (structure is sunken in between the clavicles).

Courtesy of Dr. Yuko Sato.