The valley bottoms have no woods, just dwarf scrub. This room is for soaking up steam and getting scrub massages. Its characteristic vegetation is savanna scrub and grass. It is mainly mangrove scrub, forest and swamp. Typical vegetation is stunted, fragmented larch woodland merging into low birch-willow scrub and various heathland. Farther north, the vegetation turns to lower forest consisting of dense scrub. The western hills are home to juniper, tamarisk, coarse grasses, and scrub plants. Further north, the vegetation turns to lower forest consisting of dense scrub. This especially affects people clearing leafy bushland such as lantana scrub. The birds are found in woodland, farmland, scrub, and wetlands. In Arizona, they occur in desert scrub and semidesert grasslands. Grasslands are restricted to the northeastern corner interspersed with xerophilous scrub. Larger islands are capable of supporting tropical forest, scrub forest, coastal scrub and grasses. These are smallish birds which inhabit regions of arid scrub.