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.
Pygmy parrots, as their name suggests, are the smallest members of the parrot family and are even smaller than budgerigars. There are six species which are found in the Solomon Islands and Papua New Guinea. Unusually for birds, pygmy parrots eat a lot of lichen and fungus as well as some seeds, fruit and insects.