In a subject-centred classroom, it is acceptable that the teacher who is an expert in a subject be the person who impacts that knowledge to the students. Teachers are in control of the whole learning process, planned instructional design and teaching techniques.
The African grey parrot is native to equatorial Africa, including Angola, Cameroon, Congo, CÃ´te d'Ivoire, Ghana, Kenya, and Uganda. The species is found inside a range from Kenya to the eastern part of the Ivory Coast. Between 120,100 and 259,000 Timneh African gray parrots remain worldwide.
Small parrots - Budgies live from 17-18 years. A finches average lifespan is 5-10 yrs, while a canaries is 10-15. Cockatiels can live from 15-20, Lovebirds 10-15, and Parrotlets 10-15. Medium parrots - Conures live from 12-30 yrs, Caiques up to 30, and Lories/Lorikeets 13-25. Large parrots - African Greys live from 50-60+ yrs, Amazons 50-70+, Cockatoos 40-60+, Eclectus' 65-85, and Macaws 50-100+. These are just average estimates for parrot lifespans and won't always be accurate.