Chain Y Wheel Circle All-Channel Figure 1. Common communication networks. The wheel network, a two-level hierarchy, is the most structured and centralized of the patterns because each member can communicate with only one other person.
Read on to learn more about some of the different types of large birds that are commonly kept in captivity, and discover what it's like to share a home with these magnificent creatures. 1  of 05. Cockatoos. 2  of 05. Eclectus Parrots. 3  of 05. African Grey Parrots.  of 05. Amazon 1  Parrots. of 05. Macaws.  Large Bird Breeds.
Their plumage is generally less colourful than that of other parrots, being mainly white, grey or black and often with coloured features in the crest, cheeks or tail. On average they are larger than other parrots; however, the cockatiel, the smallest cockatoo species, is a small bird. The phylogenetic position of the cockatiel remains unresolved, other than that it is one of the earliest offshoots of the cockatoo lineage.