Black Cockatoo nesting success in prescribed burn area

Written by Melissa Adams, JCAFA

Recently, we conducted a vital black cockatoo hollow survey with the help of the Avon Birdlife Group member, Ross McDougall and the expert assistance of Adam Peck (Rehabilitating Roe 8 Project Manager and previous Black-Cockatoo Project Coordinator, at Birdlife Australia), focusing on conservation efforts, especially in light of the upcoming PHS260 prescribed burn in Autumn.

Over 4.5 days, we surveyed 74 artificial tubes and potential tree hollows (54 tube boxes and 20 natural tree hollows) that dotted the area of the prescribed burn. 

With the aid of Adam’s expertise and use of a camera, over 1.5 of those days, we recorded active nesting in 8 of the monitored sites. This included 4 female Carnaby’s Black-Cockatoo nesting in artificial boxes and 4 nesting in natural tree hollows. There was also 1 female present that was witnessed previously in a hollow, but unfortunately, we could not see into the hollow with the camera. This success highlights the critical role both natural and artificial nesting sites play in the survival of these iconic birds.

Of the sites surveyed, 2 active natural hollow nests were found in the PHS260 burn area. Tweny-one (21) artificial nesting boxes were also located within the boundaries, falling well short of the 5 cockatoo nesting tubes stated in the burn plan!

We also located a cockatoo tube that was numbered J70, which indicates, in total, 70 or more cockatoo tubes in that area. We are still investigating where and who installed the tubes.

These findings are particularly important for understanding how black cockatoos utilise habitats. The use of both natural and artificial nesting sites in the burned area suggests that we must continue to monitor and protect existing nesting resources.

This survey provides valuable data that will inform future management strategies for protecting black cockatoo habitat, especially regarding the placement of artificial nesting boxes and the long-term protection of natural hollows before and following prescribed burns.

We would like to thank Adam for travelling from afar and sharing his invaluable expertise with us, as well as Ross for volunteering his time to drive us into the heart of the forest. We greatly appreciate it!

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