Definition: Dasyornis is a genus of birds in the family Passeriformes, which includes small passerine (peacocks) and thrushes. These birds are known for their distinctive yellow bills and brownish plumage that contrasts with their black and white feathers. The genus also includes several species of parrots, including the famous "Chickering" or "Cuckoo" parrot, which is quite common in many countries around the world.