Rhea (bird) 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 lesser or Darwin's rhea ("Rhea pennata"). The IUCN lists the puna rhea ("Rhea tarapacensis") as a separate species. The IUCN currently rates the greater and puna rheas as near-threatened in their native ranges, while Darwin's rhea is of least concern. In addition, a feral population of the greater rhea in Germany appears
South American Bird Fair South American Bird Fair The South American Birdwatching Fair is an annual event for birdwatchers, held every year in a different country of the continent. It is described as the birder's principal meeting in South America, with people from all the world. Lovers of wildlife in general and Birdwatching in particular can find in the fair a space for networking and sharing talks, workshops, seminars and birding trips. Each year's programme includes birding themes in general, recent scientific findings and presentations in many related themes. A large number of suppliers of binoculars, cameras, books, clothing and other birdwatching equipment, artists