Su, "Isolation of viable Toxoplasma gondii from feral guinea fowl (Numida meleagris) and domestic rabbits (Oryctolagus cuniculus) from Brazil," Journal of Parasitology, vol.
Common helmeted guineas, Numida meleagris, are recognized widely in folk history for their effectiveness in reducing populations of ticks and other insects.
On at least one of the islands, Ilha da Gipoia, specimens of the helmeted guinea fowl Numida meleagris (Linnaeus, 1758) were introduced by inhabitants as a way to control snakes [Jararacas, Bothrops jararaca (Wied, 1924)].