Current Raptor Research

Ecology of Wedge-tailed Eagles in the Matuwa and Mesic Zones of Western Australia

Simon Cherriman

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Photo by Simon Cherriman

Simon Cherriman is studying key aspects of Wedge-tailed Eagle ecology in Western Australia through an ongoing bird-banding study at two sites: Matuwa, in the Arid Zone, and the Perth region, in the Mesic Zone, both having an area of ~2500km. Breeding territory occupancy and breeding productivity are monitored annually at each site. Data on morphometrics and breeding chronology are collected when eaglets are banded prior to fledging. The study engages with the general public via social media and encourages people to share information about banded eagle sightings to aid the acquisition of data. Simon’s research also involves an educational component with several young bird enthusiasts ‘training’ by assisting with banding and data collection. As part of the PhD research juvenile dispersal is investigated with GPS/Satellite Transmitters, which are changing the way we understand habitat use at the landscape scale. Additional information on Simon’s research project is available at: www.wedge-tailedeagletracking.blogspot.com.au

Impacts of Urban and Agricultural habitat fragmentation on Southern Boobook

Mike Lohr

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Photo by Ben Jones

Michael Lohr is currently finishing his PhD investigating factors related to urban and agricultural habitat fragmentation and their impact on Southern Boobooks.  BirdLife Australia has identified the Southern Boobook as a species which has suffered range-wide reductions in numbers across Australia and has cautioned that “further investigation is needed to understand the factors that are driving this consistent decline across regions.”  Understanding the threats facing boobooks and where these threats are most severe will help explain the ongoing decline in boobook populations and inform plans to reverse it.  The specific threats under investigation include, availability of nest hollows in fragmented environments, potential impacts on genetic structure, exposure to Toxoplasma gondii (a parasite spread by cats), and secondary poisoning with anticoagulant rodenticides.

Following some concerning findings which indicate frequent and severe rodenticide exposure in boobooks living in areas near housing and commercial development, Michael has initiated a number of other projects in an attempt to determine how anticoagulant rodenticides are impacting wildlife across Australia. This includes research that focuses on rodenticide exposure in a wider suite of native carnivorous birds across Australia.

Impacts of Urbanisation to Coastal Raptors in south-east Queensland

Vicky Thomson

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Photo by Vicky Thomson

Vicky Thomson is a PhD candidate at Griffith University researching the impacts of urbanisation to coastal raptors (Eastern Osprey, White-bellied Sea-eagle, Brahminy Kite, Whistling Kite) in south-east Queensland. Collaborating with Currumbin Wildlife Hospital, this research involves the investigation of how different illnesses and injuries relate to an urban lifestyle and how that affects their chance of successful rehabilitation and release. Birds released from the hospital have been banded, with plans underway to attach GPS trackers to gain insight into their long-term survival post-rehabilitation and release. 

Spatial Ecology of Red Goshawk in Cape York Peninsula

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Red Goshawk juvenile

This project is a collaboration between Rio Tinto, the Australian Wildlife Conservancy and the Queensland Depertment of Environment and Science. Led by project manager Chris MacColl this research aims to improve knowledge on the spatial ecology of the rare Red Goshawk. To date, four Red Goshawks in the Cape York Peninsula have been fitted with solar-powered GPS transmitters, providing the first high-resolution, broad-scale data set on the species movements. Initial results indicate a home range size in excess of 700km2, considerably larger than previous estimates. This data was derived from an individual continuously tracked over a two year period, demonstrating the spatial and temporal scales that can be achieved using these methods. The knowledge gained from this study has laid the foundation for developing a larger scale project that aims to more fully describe the spatial needs of this species across Northern Australia.

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