Karoo lark Karoo lark "The Karoo lark should not be confused with the similarly named Karoo long-billed lark." The Karoo lark ("Calendulauda albescens") or red-backed lark is a species of lark in the family Alaudidae. It is endemic to South Africa where its natural habitat is subtropical or tropical dry shrubland. The Karoo lark was originally classified in the genus "Alauda" and subsequently "Mirafra" and "Certhilauda", until moved to "Calendulauda" by the IOC in 2009. Not all authorities have followed this taxonomy change. Four subspecies are recognized: Formerly, some authorities considered both the dune lark (as "Certhilauda albescens erythrochlamys") and Barlow's lark
Karoo plain with Mississippi-like rivers depositing mud from an immense range of mountains to the south. Ancient reptiles and amphibians prospered in the wet forests, and their remains have made the Karoo famous amongst palaeontologists. The first of these Karoo fossils was discovered in 1838 by Scots-born Andrew Geddes Bain at a road cutting near Fort Beaufort. He sent his specimens to the British Museum, where fellow Scotsman Robert Broom recognised the Karoo fossils' mammal-like characteristics in 1897. After the Beaufort period, Southern Africa (still part of Gondwana) became an arid sand desert with only ephemeral rivers and pans. These sands