They rest in trees, but also hide in dense thorny undergrowth on the ground. Xeric scrublands are common, with various forms of cacti, thorny shrubs, and evergreens. It inhabits open ground areas, with scrub and thorny bushes. This species inhabit mainly savanna with scattered trees and thorny vegetation. Vegetation is scarce and consists of low, thorny shrubs. This type of vegetation comprises isolated stands of thorny shrubs. Bougainvillea ( or ) is a genus of thorny ornamental vines, bushes, or trees. South of that is the Sahel zone, dry savanna and thorny shrub savanna. Far more rarely, large and especially thorny shrubs are used for nesting. They were also protected from grazing cattle by fencing them with thorny shrubs. Catbirds prefer a dense vegetative substrate, especially if thorny vegetation is present. Camels' mouths have a thick leathery lining, allowing them to chew thorny desert plants. The pointed mouth assists in extracting leaves from thorny vegetation. The fruit perishes quickly after plucking from the thorny bush. Many species are more or less succulent, thorny, or unarmed.