It is found in Argentina, Chile, the Falkland Islands and Peru, and is a vagrant to Uruguay.

[2] The blackish oystercatcher's plumage is slaty-black with wings and back rather dark brown.

The bird is easily overlooked on a rocky shore, its dark colour blending with the rocks on which it walks as it forages, and it does not draw attention to itself.

The blackish oystercatcher is native to the coasts of Argentina, Chile, the Falkland Islands and Peru, and it is a vagrant to Uruguay.

It feeds in the intertidal zone on rocky shorelines, in rockpools and on pebble beaches.