Die-offs of band-tailed pigeons connected to newly discovered parasite

A new parasite, along with one possibly found in T-Rex, has been implicated in the recent deaths of thousands of Pacific Coast band-tailed pigeons. Avian trichomonosis is an emerging and potentially fatal disease that creates severe lesions that can block the esophagus, ultimately preventing the bird from eating or drinking, or the trachea, leading to suffocation. The disease may date back to when dinosaurs roamed the earth, as lesions indicative of trichomonosis were found recently in T-Rex skeletons.

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