Falcons: The following images were obtained by endoscopy of falcons with aspergillosis.A,B Thoracic airsac (T) with prominent blood vessels and a dead serratospiculum worm (W). The presence of these lung worms makes the airsac look milky. D N

Falcons: The following images were obtained by endoscopy of falcons with aspergillosis.A,B Thoracic airsac (T) with prominent blood vessels and a dead serratospiculum worm (W). The presence of these lung worms makes the airsac look milky. D Normal ovary with developing follicles.