The Parrothouse  
   Avian nutrition and parrot behavior articles, health care information and recipes.
   http://www.parrothouse.com/

Wingwise  
   Information on health, care, illness, injury, well bird exams, diagnostics, systems, the feather donation project, handicapped birds, and a visit to the wild parrots of Tambopata, Peru.
   http://www.wingwise.com/

HotSpot For Birds  
   Reference section has many informative articles on the health and safety of birds.
   http://www.multiscope.com/hotspot/

Heavy Metal Poisoning in Birds  
   Article by Gillian Willis that describes the toxic effect of heavy metals such as lead, brass and zinc on birds.
   http://www.multiscope.com/hotspot/metals.htm

Avian Nutrition  
   A collection of holistic health and diet articles by Dr. Alicia McWatters.
   http://www.parrothouse.com/McWatter.html

Bird Health  
   Covering all aspects of bird health, feeding, breeding, racing and showing in a variety of birds. Also providing different health products, books, and videos.
   http://www.birdhealth.com.au/

Diseases of Psittacine Birds  
   Proceedings of the International Virtual Conferences in Veterinary Medicine, 1998.
   http://www.vet.uga.edu/IVCVM/1998/index.htm

Bird Health Examination  
   Details the different examination components and testing procedures.
   http://www.vetafarm.com.au/manage/documents/healthex.htm

Psittacine Beak and Feather Disease  
   Article by Dr. Garry Cross about the viral disease that can affect all psittacine birds. Includes photos and links to related content.
   http://www.parrotsociety.org.au/articles/art_007.htm

Zinc and Parrots  
   Article by Fern Van Sant, from the Proceedings of the International Aviculturists Society, January, 1997. Features details about zinc biology and bird cages.
   http://www.funnyfarmexotics.com/IAS/Zn.htm

Diseases of Exotic Animals and Wildlife  
   Proceedings of the International Virtual Conferences in Veterinary Medicine, 1999.
   http://www.vet.uga.edu/IVCVM/1999/INDEX.htm

ParrotParrot  
   Geared toward smaller birds, includes articles on avian health, nutrition, toxins and dangerous toy alerts.
   http://www.parrotparrot.com/

Avian Health  
   Information on nutrition, socialization, cleanliness and safety.
   http://www.parrotparrot.com/birdhealth/

Research Associates Laboratory  
   Informative, well-illustrated articles on the major avian diseases for which testing is available through this lab.
   http://www.vetdna.com/

Avian Health Network Inc  
   Offers information and support for avian diseases such as exotic newcastle (END) and proventricular dilation disease (PDD), lost or stolen birds, and companion parrot/bird care.
   http://www.avianhealthnetwork.info

Testing for Zinc in Parrot Toys  
   Article discussing the problem of zinc toxicity in parrots, including information on how to test metal toy parts for zinc.
   http://www.synnovation.com/zinctesting.html