The+rhea.

The rehas lare the biggest birds of America. Males measure 150 cm long and females 120 cm long. They weigh between 30 to 35 kg. They have feathers with an ash-gray color, long neck and wings, tail atrophied. Their appearance is similar to African rheas, which is distinguished by have three toes on each foot , to be more small and to have a fine plumage. Although rheas are fast runners, they cannot fly. They u sually live in groups of up to 30 individuals. The males build a nest in which females lay their eggs, this behaviour is called polyandry. Males are also responsible for incubating the eggs. They are omnivore animals that feed on seeds, grains , fruits , insects, amphibians , reptiles, small mammals and bird chicks. Some time ago, people used rhea´s feathers to make dusters.