Fairly common in desert lowlands, favoring agricultural fields, weedy and grassy areas, and brushy hedgerows; often sings from prominent perches such as utility wires. Note small size but with a very stout, stubby bill. Male plumage variable; clean whitish and slate-gray overall with dark rusty chin in full breeding plumage, but often messy and mottled. Female is drab pale buffy with a streaked back; note her big, stubby pinkish bill.