(FOX40.COM) — A 35-year-old Abyssinian ground hornbill who has been at the Sacramento Zoo the majority of his life has died after struggling with several age-related conditions.
Sacramento Zoo officials said the bird, Mark, was under medical monitoring for the last six months as he struggled with heart disease and other illnesses.
Staff decided to focus on his comfort and quality of life as he was in the late stages of his lifespan…