Unobtrusive small bird of brushy woodland and forest understory in tropical lowlands, mainly in drier habitats. Usually seen as singles or pairs, low in weedy growth. Male blue-black overall; with good views, note the blue forehead, ‘jowls,’ and rump. Female in West Mexico gray-brown overall, in East Mexico rich brown overall. Similar female Varied Bunting has a smaller bill and different call note: a wet plik; Blue Bunting call is a high tsik in West Mexico, a metallic chink in East Mexico.