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.
Passionate about all things Australian. Most species of parrots are not endangered, but hunting and trapping has definitely reduced the population in a great amount. Some species of parrots are endangered and this is often the result of habitat loss through clearing of trees for urban development or agriculture. Other species are endangered due to poachers, as in the case of the Scarlet Macaw.