Many birds consume berries as a part of their diet, but what happens when they’re exposed to berries with new pigments from exotic plants? In the case of the Cedar Waxwing and other fruit-eaters, eating berries of the introduced Morrow’s (Lonicera morrowii) and Tatarian (L. tatarica) honeysuckles at the time of feather moult causes their bright yellow feathers to take a red colour. In this talk, Dr. Jocelyn Hudon will dive into his research into why this happens, how common it is, and what the consequences might be for the birds.