Show poisonous arp frogs gs U used se d to change color of parrots cerwin certain frogs produce a deadly secretion secret loto ioa from their glands which P primitive natives in brazil use for poisoning the tips of their arrows the poison extracted from the tha frogs which are bright scarlet in color is also used for the purpose of dyeing the feathers of green amazon parrots tho the green feathers of the bird are plucked out and the skin is rubbed with a living frog As a consequence the new feathers when they appear are ara bright yellow ocllo instead of green which enhances the value of the bird in the eyes of the natives |