The common miner (Geositta cunicularia) is a passerine bird of South America, belonging to the ovenbird family. It is a ground-dwelling bird which feeds on insects and seeds. It has about 9 different subspecies, some of which may be better treated as separate species. The bird lays two or three white eggs in a chamber at the end of a tunnel, up to 3 metres long, dug into an earth bank or sand dune.