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.
Eucalyptus essential oil deters mosquitoes and other insects, and it works even against fleas on dogs and cats (but never use undiluted essential oils on your pets! Try a more pet-specific option for homemade natural flea repellents). Lavender is another natural mosquito repellent, and it works for other insects too.