a sentinel rock thrush, monticola explorator, perched on a post with barbed wire

adaptation monticola explorator resting alert animal behavior arid climate avian bird species birdwatching boundary camouflage cautious countryside environment exploration feathers fencing flying grey plumage habitat land division mountainous regions natural nature observing ornithology outdoor passerine perched perching protection rock dwelling rocky outcrop terrain rural security sentinel thrush songbird south africa survival territory family watching wild wilderness wildlife winged creature wire