Chewing on these logs could cause heavy metal poisoning. Have some unsalted nuts available as treats for your birds. Birds very susceptible to the toxic effects of fumes. The fumes generated by self-cleaning ovens have caused death in birds. Cigarette smoke can cause respiratory tract irritation and allergic skin disorders in birds as well as potential nicotine poisoning.
Cigarette butts are highly toxic if ingested.
Marihuana smoke can cause marked sedation in birds. Avoid room odorizers and air fresheners. Boil up herbs such as cloves and cinnamon instead of using commercial products. Coloured metallic gift wrap may contain toxic substances, the main danger, however, is possible GI tract obstruction. Provide your birds with their own gift packages wrapped in plain paper to open.