Rhea (bird) males of "R. americana" can reach tall at the head, at the back and can weigh up to , The lesser rhea is somewhat smaller as they are only tall at the back. Their wings are large for a flightless bird () and are spread while running, to act like sails. Unlike most birds, rheas have only three toes. Their tarsus has 18 to 22 horizontal plates on the front of it. They also store urine separately in an expansion of the cloaca. Rheas are from South America only and are limited within the continent to Argentina, Bolivia, Brazil, Chile,
Love Is a Four Letter Word (album) interview with "Spin" magazine in which he said that possible titles for his fourth album were "Peace Canoe" or "The Love Album". On December 8, 2011, Mraz told Jeff Benjamin of "Billboard" that the "album is finished" except for one track he was attempting to re-work as an acoustic version. Describing the album, he said, "It's not a departure in the sound of the genre in any way, it's just different tones, different textures. Musically, I think people are going to like it. It's personal. It's melodic. And it's mellow. There's a couple of up-tempo tunes, but mostly the rhythm