either of two Australian passerine birds of the genus Atrichornis, related to the lyrebirds, having a loud voice and reduced powers of flight: A. clamosus is endangered.
Origin of scrub-bird
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
either of two fast-running wren-like passerine birds, Atrichornis clamosus or A. rufescens, that constitute the Australian family Atrichornithidae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012