The population of the noisy scrubbird was estimated at 40 to 45 birds in 1962. The populations of the noisy scrubbird are declining despite 50 years of conservation and management. The noisy scrubbird is one of Australia's rarest birds. The rufous scrubbird ("Atrichornis rufescens") is a bird species in the family Atrichornithidae. The noisy scrubbird ("Atrichornis clamosus") is a species of bird in the family Atrichornithidae.