Identification
Gouldian finches are most easily identified by their bright coloration and their relatively small size. Most Gouldian finches measure between 5 and 5.5 inches in length. Though males tend to be more brightly colored than females, both genders will demonstrate a vivid color pattern that normally consists of a combination of yellow, red, black, purple, blue or green.
Distribution and Habitat
Gouldian finches are native only to northern Australia. These finches prefer tropical savanna near bodies of water. Though Gouldian finches are migratory, they do not migrate great distances. In captivity, Gouldian finches require cages large enough to supply at least 20 inches of flying space.
Diet
Wild Gouldian finches subsist primarily on grass seeds, but will also eat a variety of small insects, including beetles, termites and spiders, as well as plant matter. Captive finches may sometimes be finicky eaters and need a variety of foods as they develop. Gouldian finches in captivity also require additional vitamin and mineral supplements.
Health and Longevity
Well cared-for Gouldian finches will live about eight years in captivity. Gouldian finches are relatively healthy, but air sac mites and eggbinding can be problematic. Air sac mites attack the respiratory system, and can usually be treated fairly easily. Eggbinding is more serious and occurs when the female's egg becomes lodged in the birth canal. In this case, veterinary assistance should be sought immediately.
Warning
Gouldian finches are currently endangered in the wild and the Australian government estimates that, as of the year 2000, no more than 2,500 mature wild Gouldian finches remained. The number of captive birds, however, remains high. Anyone seeking to keep a Gouldian finch in captivity should purchase it from a reputable breeder.