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.
Whilst there are at least 3 different species of parakeet now loose in the UK, the main bird is the ring-necked parakeet. These parrots are about 16 inches in length and they have a stealthy appearance. They are largely green in colour with undertones of blue that can be seen during overcast days.