Correndera Pipit

The correndera pipit (Anthus correndera) is a species of bird in the family Motacillidae, the wagtails and pipits. It is found in Argentina, Bolivia, Brazil, Chile, the Falkland Islands, Peru, Uruguay, and as a vagrant to Paraguay. == Taxonomy and systematics == The correndera pipit was originally described by Louis Pierre Vieillot in 1818 with its current binomial Anthus correndera. The correndera pipit has these five subspecies: A. c. calcaratus Taczanowski, 1875 A. c. correndera Vieillot, 1818 A. c. catamarcae Hellmayr, 1921 A. c. chilensis (Lesson, RP, 1839) A. c. grayi Bonaparte, 1850 Some authors have suggested that the nominate subspecies A. c. correndera and subspecies A. c. catamarcae could form a separate species or two separate species. Others have proposed that the South Georgia pipit (A. antarcticus) be treated as a sixth subspecies. == Description == The correndera pipit is 14 to 16 cm (5.5 to 6.3 in) long and weighs about 15 to 26 g (0.53 to 0.92 oz). The sexes have the same plumage. Adults of the nominate subspecies have a dusky head with a whitish supercilium, a whitish eye-ring, a thin blackish "moustache", and a blackish streak on the cheek. Their upperparts are dusky with heavy…