1) Passeriform bird 2) Passerine 3) Scrub bird 4) Scrub-bird 5) Well known bird 
Scrubbirds are shy, secretive, ground-dwelling birds of the family Atrichornithidae. There are just two species. The rufous scrubbird is rare and very restricted in its range, and the noisy scrubbird is so rare that until 1961 it was thought to be extinct. Both are native to Australia. The scrubbird family is ancient and is understood to be most c...
[n] - small fast-running Australian bird resembling a wren and frequenting brush or scrub
scrub-bird noun small fast-running Australian bird resembling a wren and frequenting brush or scrub