Hollows as Homes

hollows-as-homes-galah-in-nestHollows as Homes launched in March 2016 and is coordinated by the Royal Botanic Garden, the University of Sydney, and Australian Museum. Inner West Council is one of 30 councils encouraging community participation in this project. With the help of the community, this project aims to find out how many tree hollows are available and how wildlife use them across the Sydney region.

How does it work?

The Hollows as Homes team wants people to report tree hollows in their backyards, streets, parks and/or paddocks through www.hollowsashomes.com. Participants take measurements of the hollow-bearing trees and periodically monitor and report the wildlife using the hollows. Training is available through workshops and the website.

hollows-as-homes-cut-in-treeWhy Do it?

In urban and agricultural areas, large hollow-bearing trees are disappearing, but many species of animals rely on tree hollows. In NSW, animals depending on hollows include at least 46 mammals, 81 birds, 31 reptiles and 16 frogs. Of these,40 species are listed as threatened with extinctionThis is why the ‘loss of hollow-bearing trees’ has been listed as a key threatening process.

Hollow-bearing trees in urban areas are commonly removed as a safety precaution. However a new method of cut-in hollows has been developed, which aims to safely keep trees to increase hollow habitat which is important to protect biodiversity. Cut-in hollows complement the established method of nest boxes.

How is the information used?

The information people provide will be used to build a picture of the location, type and number of hollows available in different local areas, as well as the wildlife using these hollows. The information helps councils make plans and decisions to keep important habitat trees in their areas, plant new habitat trees in the future and create missing habitat (e.g. small, medium or large hollows). Hollows as Homes therefore welcomes reports of nest boxes and cut-in hollows in addition to natural tree hollows.


For more information contact Dr Adrian Davis hollows.ashomes@gmail.com or visit facebook.com/hollowsashomes. Hollows as Homes is supported by the Sydney Coastal Councils Group through funding from the Australian Government.

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