In which Canadian province is the city of Ottawa located?   Ottawa is in the province of Ontario. For more information on the various provinces of Canada, see the Related Link to the website of the Government of Canada.
Wild cockatoos enjoy eating & shredding the leaves, nuts, flowers & branches of the She-Oak. Brush Ironbark/Hickory Wattle Ironbark tree is from the Eucalyptus family and is safe for parrots. Brush Ironbark Wattle or Hickory Wattle is a type of Acacia, but it is also a type of Myrtle and toxic to parrots.
1 Keep this repellent away from children. Eucalyptus oil is toxic in high doses (4 mL to 5 mL of eucalyptus oil) for children. While this amount is far more than the amount described in the recipe, it's probably best to avoid the stuff just like the cats will do!  Do not spray on cats either or enable ingestion.