The addition of extra vitamins and minerals, rather than helping, can actually lead to gout or other metabolic disease resulting in premature death. Fresh water should be provided at all times. You will soon note, however, that toucans prefer to bathe in their water rather than drink it, as they get most of their moisture needs from the fruit. They have a life span of approximately 20 years, and the record is 26. If obtained free of serious disease they should have peace and long life.
Toucans are susceptible to certain diseases when exposed and when under stress.
These bacterial infections are often acquired from contact with rodents, which contaminate the toucan's food with their urine and feces. If is important to maintain as rodent free an environment as possible. These worms damage the gastrointestinal tract. Fortunately, they lay eggs almost constantly, which can be identified during a fecal exam. The worms are easily eradicated with a dewormer.