The birds of family Ramphastidae are found in South and Central America, from central Mexico to southern Brazil, and include the large toucans, the smaller aracaris, and the very small toucanets. This information sheet reviews natural history and taxonomy, as well as diet, housing, normal physiologic data and anatomy, restraint, behavior, and important medical conditions seen in family Ramphastidae.
Heavy metal poisoning in birds most commonly occurs from the ingestion of substances containing lead, or less commonly zinc.
Lead
Acute heavy metal toxicity is occasionally seen in companion parrots that ingest or chew on objects containing metal because of their curious nature and innate desire to forage. Chronic lead poisoning most frequently affects free-ranging wildlife, such as ducks, geese, swans, and loons. Lead toxicity also occasionally occurs in upland game birds, such as mourning doves, wild turkey, pheasants and quail. Lead poisoning has also been reported in raptors from the ingestion of lead-contaminated prey. Bald eagles have repeatedly been shown to be more sensitive to lead toxicity than other wild avian species, including red-tailed hawks, swans, and turkey vultures .
