qT=2&tQ=This bird's toes are considered good luck charms in South America.&tC=Jacana|Fork-tailed drongo|Jacamar|Darwin's rhea&cC=4&fB=More than good luck charms, rheas benefit farmers greatly by eating seeds that get caught in sheep's wool. Some parts of their bodies can be used for food or medicine, and their large feathers can be sold commercially. Rhea skin is sometimes burned to produce smoke that is healthy for coca plants.