Rouen duck Rouen Foncé (dark) as opposed to Rouen Clair, which are lighter in colour. In 1850 the first Rouens were introduced to the United States by D. W. Lincoln of Worcester, Massachusetts, and used as general farm ducks until becoming popular as show birds. They were included in the "Standard of Perfection" of the American Poultry Association in 1874 and since then have won many titles, often having the most entries in the heavyweight class and doing well in competition with other breeds. Rouen duck The Rouen is a heavyweight breed of domesticated duck raised primarily for decoration, exhibition or as
Khaki bromeliad frog yellow chromatophores. The vocal sac is grey to black. The male call is a two-note call, the second note being higher than the first one, and is preceded by about 4–5 warm-up notes. Calling sites are in trees, above the ground, probably also higher. Natural habitats of "Eleutherodactylus fowleri" are high-elevation mesic forests. It is an arboreal species occurring in bromeliads in tall trees, using them for both hiding and breeding. It is threatened by habitat loss, particularly from felling large trees. It occurs in the Sierra de Bahoruco National Park in the Dominican Republic. Khaki bromeliad frog The khaki