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

Lead Poisoning in Birds
   Veterinarian describes the symptoms and treatment for this potentially fatal condition.
   http://www.heidihoefer.com/pages/birds/lead_poison_bird.htm

Paint, Lead, & Zinc
   Describes how paint fumes, lead, and zinc in items can be lethal to your birds. From Quaker Parakeet Society.
   http://qp-society.com/qpserc/paintzinc.html

Teflon poisoning: The silent killer
   Vet describes PTFE toxicity in birds, which is often fatal, caused by cookware and parts made with teflon or a non stick coating. By Old World Aviaries.
   http://www.oldworldaviaries.com/text/styles/teflon.html

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

The Silent Killer
   Discusses polytetraflouethylene (teflon fumes) which are deadly to birds.
   http://theaviary.com/teflon.shtml

Toxic Metals Weigh Heavy on Birds
   Article discusses the effects of mercury and lead on wildlife. From Science and the Environment Bulletin.
   http://www.ec.gc.ca/science/sandejan02/article1_e.html

Toxicoses in Birds
   Discusses chocolate, alcohol, salt, and avocado toxicity. Including contaminated foods.
   http://www.oldworldaviaries.com/text/miscellaneous/toxicoses.html

Warnings for Owners of Parrots and Other Birds
   Learn more about household hazards that could injure your feathered friend.
   http://www.parrotparrot.com/birdhealth/alerts.htm

Why Caffeine is Toxic to Birds
   Article discusses the effect of certain foods, such as chocolate, on the avian nervous system.
   http://www.multiscope.com/hotspot/caffeine.htm

Zinc and Parrots
   Article 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