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
Work Is a Four-Letter Word was a member of the Royal Shakespeare Company, of which Peter Hall was artistic director until the year of the film's release. Cilla Black had not previously had a starring role; she had appeared briefly as herself in "Ferry Cross The Mersey" (1965), a vehicle for Gerry and the Pacemakers. She recorded the theme song for the film, having the same title, which was released as the B side of "Where Is Tomorrow?" in 1968; the single reached number 39 in the UK Charts. This would be Black's only starring role in film. Most of the remainder of the cast