Rhea (bird) many people. The gaucho people traditionally hunt rheas on horseback, throwing "bolas" or "boleadoras" — a throwing device consisting of three balls joined by rope — at their legs, which immobilises the bird. The rhea is pictured on Argentina's 1 Centavo coin minted in 1987, and on the Uruguayan 5 peso coin. Rhea (bird) The rheas () are large ratites (flightless birds without a keel on their sternum bone) in the order Rheiformes, native to South America, distantly related to the ostrich and emu. Most taxonomic authorities recognize two extant species: the greater or American rhea ("Rhea americana") and the
Trumpeter (bird) Trumpeter (bird) The trumpeters are a family of birds restricted to the humid forests of the Amazon and Guiana Shield in South America. They are named for the trumpeting or cackling threat call of the males. The three species resemble chickens in size; they measure long and weigh . They are rotund birds with long necks and legs and curved bills and a hunched posture. Their heads are small, but their eyes are relatively large, making them look "good-natured". The plumage is soft, resembling fur or velvet on the head and neck. It is mostly black, with purple, green, or