About Mimus patagonicus (Orbigny & Lafresnaye, 1837)
The Patagonian mockingbird, Mimus patagonicus, is 22 to 25 cm (8.7 to 9.8 in) long. Males weigh 44.4 to 61.8 g (1.57 to 2.18 oz), while females weigh 43.8 to 65.4 g (1.54 to 2.31 oz). Adult Patagonian mockingbirds have a brown crown, a whitish supercilium, and a blackish line running through the eye. Their upperparts are a plain grayish brown, which is paler on the rump. The wings are blackish, and display two thin pale bars when folded. Their tail is blackish, with the exception of the white outer edge of the outermost tail feathers and white tips on the remaining tail feathers. Their underparts are buffy gray, and are paler on the throat and belly. Juveniles are essentially identical to adults, with the additional feature of blackish spots on the breast. The Patagonian mockingbird is a year-round resident in northwestern and central Argentina. It breeds in southern Argentina and southern Chile, ranging as far south as the Strait of Magellan, and migrates north to central Argentina and into parts of northeastern Argentina during the non-breeding season. It is a casual visitor to Tierra del Fuego, and has been recorded on the Falkland Islands. This species generally inhabits open shrublands and bushlands, including the Patagonian steppe. In southeastern Argentina, it also occurs in somewhat open woodland. Its elevational range extends from sea level up to 1,800 m (5,900 ft).