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) on the album." Sandy Cohen from "The Boston Globe" wrote, "The songs about heartache don't detract from the optimistic vibe of this 12-song collection." Jon Caramanica from "The New York Times" criticized the album, writing that the album is "filled with platitudes and, eventually, psychobabble, dippy even by Mr. Mraz's standards." Phil Mongredien from "The Observer" gave the album only 1 star out of 5, writing that "the lyrics alternate between the ludicrous and the banal." Amy Dawson from Metro UK wrote that "Mraz's earnest, melodic guitar pop exerts mainstream appeal, but this will all be a bit earnest teen