• Hollows as Homes - Cockatoo Birds and Animals

    Urgent housing crisis needs your help!


Housing availability is not just a human challenge in Sydney, but one affecting our native wildlife. However you can help by joining our Hollows as Homes program.

Hollows as Homes is a program being administered by staff from Botanic Gardens & Centennial Parklands, Australian Museum and University of Sydney and aims to provide the first landscape assessment of hollow resources.


What is the problem?

Clearing of native vegetation and loss of tree hollows are both key threatening processes for biodiversity in NSW. These threats can be even more pronounced in urban areas like Sydney where competition for limited resources is high (i.e. tree hollows).

This project aims to educate the community on identifying trees that are acting as key habitat for hollow-dependent fauna in the Sydney Metro region and to assess characteristics associated with hollow-usage by wildlife.


Hollows are homes for a wide range of native birds and animals

Hollows are homes for a wide range of native birds and animals


How can I help?

Understanding the ways in which our native wildlife interact with tree hollows is the first step, then education and awareness amongst public and private landowners is crucial.

We want you to help our native wildlife by observing and registering active hollows – including which types of animals and birds respond to which types of tree species.

The project will deliver valuable insights for urban planners and policymakers. Guidelines and recommendations for local councils and other public landowners on vegetation management practices that will encourage the conservation and availability of tree hollows for wildlife use.


How to register a sighting

Just head to the Hollows as Homes project website, then:

  • If you’re an experienced wildlife observer, then simply: ‘Add a wildlife sighting’ or ‘Register a hollow’.
  • If you’re new to wildlife watching or would like a little help, then head to the Training section to get a step-by-step guide, or contact details for the project team.


Click the image to visit the Hollows as Homes website

Click the image to visit the Hollows as Homes website


This project is supported by the Sydney Coastal Councils Group, through funding from the Australian Government.

Thirty councils are also involved in the project and are Auburn, Bankstown, Camden, Campbelltown, Canada Bay, Canterbury, Fairfield, Holroyd, Hunters Hills, Hurstville, Kogarah, Ku-ring-gai, Lane Cove, Leichhardt, Manly, Marrickville, Mosman, North Sydney, Parramatta, Penrith, Pittwater, Randwick, Rockdale, Strathfield, Sutherland, Sydney, Warringah, Waverley, Willoughby, Woollahra. In addition, the NSW Office of Environment and Heritage and Birdlife Australia are supportive of Hollows as Homes.



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