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.
Parrots, like other birds which can fly, have wings which are of such a shape that air flows faster over the top of the wing than underneath it, and causing greater pressure b â¦ elow the wings than above. This pressure difference enables lift. The upper surface of a parrot's wing is raised while the lower surface is hollow.