Tolong jelaskan mengenai Psittacus

Psittacus adalah sebuah genus bayan Afrika dalam subkeluarga Psittacinae. Genus tersebut terdiri dari dua spesies: bayan abu-abu (Psittacus erithacus) dan bayan Timneh (Psittacus timneh).

Beaufrere, Hugues; et al. "Plasma Osmolality Reference Values in African Grey Parrots(Psittacus erithacus erithacus)". (June 2011) Journal of Avian Medicine and Surgery 25 (2):91-96.

Juan-Salles, C; et al. Congestive Heart Failure in 6 African Grey Parrots (Psittacus e erithacus) (May 2011) Journal of General Virology 48 (3): 691-697

Brinker, Bobbi (2005): For the Love of Greys.

Forshaw, Joseph M. & Cooper, William T. (1981): Parrots of the World (3rd ed.). Lansdowne Editions, Melbourne, New York.

Greene, W.T. & Batty, J. (1993): African grey parrots. Beech Publishing House, Alton.

Glendell, G. Breaking Bad Habits in Parrots (2007) .

Glendell, G in Veterinary Times (UK) 18 Februari 2008.

Juniper, Tony & Parr, Mike (1998): Parrots: A Guide to Parrots of the World. Christopher Helm, London.

Liddell, Henry George & Robert Scott (1980): A Greek-English Lexicon (Abridged Edition). Oxford University Press, United Kingdom.

Schmid, R. Doherr, M G. Steiger, The influence of the breeding method on the behaviour of adult African grey parrots (Psittacus erithacus). Applied Animal Behaviour Science 2005, see www.elsevier.com/locate/applanim

Linnaeus, Carolus (1758): Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. (10th edition, vol.1). Laurentius Salvius, Holmia (= Stockholm).

Mancini, Julie R. (1998): The African Grey. Howell Book House, New York.

Moustaki, Nikki (2004): A New Owner's Guide to African Grey Parrots. TFH Publications, Neptune City, NJ.

Mulawka, Edward J. (1984): African Grey Parrots. TFH Publications.

Pepperberg, Irene (2002): The Alex Studies: cognitive and communicative abilities of grey parrots. Harvard University Press, Cambridge, Massachusetts & London.

Wright, Maggie (2001): African Grey Parrots: everything about history, care, nutrition, handling, and behavior. Barron's Pet Handbooks, Hauppauge, NY.