Projects per year
Personal profile
Research interests
I am wildlife ecologist with 30 years of research and conservation management experience. I worked originally in behavioural and evolutionary ecology (evolution of sociality, mating systems, sex allocation, siblicide, intra-tropical migration). Over the past 20 years, my research interests have shifted to the research, monitoring and management of threats to biodiversity, especially to declining species. I am committed to merging science with policy and management delivery. My current research is carried out collaboratively with land managers and owners, including Indigenous groups, and government.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 2 Zero Hunger -
SDG 3 Good Health and Well-being -
SDG 6 Clean Water and Sanitation -
SDG 8 Decent Work and Economic Growth -
SDG 11 Sustainable Cities and Communities -
SDG 13 Climate Action -
SDG 14 Life Below Water -
SDG 15 Life on Land -
SDG 16 Peace, Justice and Strong Institutions
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Dive into the research topics where Sarah Legge is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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2023 Rainmaker Co-investment – Cat management guided by Country
Murphy, B. (Principal Investigator/Chief Investigator A), Davies, H. (Principal Investigator/Chief Investigator A), Legge, S. (Principal Investigator/Chief Investigator A), Ryan, S. (Principal Investigator/Chief Investigator A), Hradsky, B. (Principal Investigator/Chief Investigator A) & Ballard, G. (Principal Investigator/Chief Investigator A)
1/07/24 → 31/12/27
Project: Research
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2023 Rainmaker Co-investment - Improving desert fire management with culturally directed science
Legge, S. (Principal Investigator/Chief Investigator A), Murphy, B. (Co Investigator/Chief Investigator B) & Banks, S. (Principal Investigator/Chief Investigator A)
1/07/23 → 30/06/27
Project: Research
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ARC LP100100033 - Mammal declines in northern Australia: science for conservation and recovery
Gordon, I. (Other), Johnson, C. (Other), Legge, S. (Other), Radford, I. (Other), Woinarski, J. (Other) & Lawes, M. (Chief Investigator C)
20/07/10 → 1/05/15
Project: Research
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DP250104149 How safe are island havens for biodiversity?
Banks, S. (Principal Investigator/Chief Investigator A), Murphy, B. (Principal Investigator/Chief Investigator A), Cremona, T. (Principal Investigator/Chief Investigator A), Woinarski, J. (Principal Investigator/Chief Investigator A), Legge, S. (Principal Investigator/Chief Investigator A), Smith, B. (Principal Investigator/Chief Investigator A), Whitehead, C. (Principal Investigator/Chief Investigator A) & Kutt, A. (Principal Investigator/Chief Investigator A)
1/01/25 → 31/12/28
Project: Research
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LP220200184 Improving desert fire management with culturally directed science
Legge, S. (Principal Investigator/Chief Investigator A), Murphy, B. (Co Investigator/Chief Investigator B), Banks, S. (Chief Investigator C) & Lindsay, M. (Chief Investigator D)
10/11/23 → 10/11/27
Project: Research
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LP230200709 Cat management guided by Country
Murphy, B. (Principal Investigator/Chief Investigator A), Davies, H. (Co Investigator/Chief Investigator B), Legge, S. (Co Investigator/Chief Investigator B), Ryan, S. (Co Investigator/Chief Investigator B), Hradsky, B. (Co Investigator/Chief Investigator B) & Ballard, G. (Co Investigator/Chief Investigator B)
1/07/24 → 30/06/27
Project: Research
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Measuring the habitat condition of desert and savanna vegetation integrating on-ground biodiversity survey data, drone and satellite remote sensing
Crabbe, R. (Principal Investigator/Chief Investigator A), Legge, S. (Co Investigator/Chief Investigator B) & Murphy, B. (Chief Investigator C)
1/03/24 → 1/03/26
Project: Research
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Discounting multiple benefits of cat containment by reframing them as trade-offs: Response to Glanville et al. (2025)
Legge, S., Woinarski, J., Dickman, C., Nou, T. & Dielenberg, J., Apr 2026, (E-pub ahead of print) In: Animal Welfare. 35, p. 1-4 4 p., e31.Research output: Contribution to journal › Review article › peer-review
File -
Extending the protection offered by safe haven networks to threatened non-mammalian fauna
Gould, J., Southwell, D., Griffin, A. S., Moseby, K., Legge, S. & Hayward, M. W., Jun 2026, In: Biological Conservation. 321, p. 1-11 11 p., 111973.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Downloads (Pure) -
Using expert elicitation to predict feral cat, Felis catus, responses to management
Dorph, A., Legge, S., Penman, T. D., Cherubin, R., Elliot-Kerr, S., Marshall, E., Parkins, K. & Ballard, G. A., Jan 2026, In: Pest Management Science. 82, 5, p. 4488-4498 11 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Downloads (Pure) -
Act for the best, prepare for the worst—Defining strategic mesopredator triggers that safeguard apex predator eradication benefits
Willacy, R., Legge, S. & McDonald-Madden, E., Mar 2025, In: Journal of Applied Ecology. 62, 3, p. 458-469 12 p.Research output: Contribution to journal › Article › peer-review
Open Access1 Link opens in a new tab Citation (Scopus)6 Downloads (Pure) -
Declines in greater bilby (Macrotis lagotis) geographic range and realised niche are best explained by the invasive red fox (Vulpes vulpes)
Geyle, H. M., Young, A. R., Murphy, B. P., Dickman, C. R., Schlesinger, C., Dixon, K. M., Moore, H., Legge, S., Silcock, J., Indigo, N., Dziminski, M., Greatwich, B., Newsome, T. M., Paltridge, R., Southgate, R., Arkinstall, C., Bradley, K., Central Land Council Rangers, Jackett, N. & Kanyirninpa Jukurrpa Rangers & 15 others, , Feb 2025, In: Biological Conservation. 302, p. 1-13 13 p., 110872.Research output: Contribution to journal › Article › peer-review
Open AccessFile5 Link opens in a new tab Citations (Scopus)99 Downloads (Pure) -
Estimating feral cat (Felis catus) population density in eastern Australia's subtropical rainforest using spatial capture-recapture incorporating unidentified individuals
McHugh, D., Hollanders, M., Legge, S. & Augustine, B. C., 20 Jan 2025, In: Wildlife Research. 52, 2, p. 1-9 9 p., WR24102.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Link opens in a new tab Citations (Scopus)95 Downloads (Pure) -
Extensive fires in Australia’s northern spinifex deserts – investigating the 2023 ‘Black Spring’ and the influence of indigenous fire management
Fisher, R., Legge, S., Catt, G. & Cliff, H., 8 Aug 2025, In: International Journal of Wildland Fire. 34, 8 Collection: Fire Behaviour and Fuels Conference, p. 1-12 12 p., WF25002.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Link opens in a new tab Citation (Scopus)7 Downloads (Pure)
Press/Media
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From beloved pet to biodiversity villain: what now for Australia’s cats? | Cats
11/11/23
1 item of Media coverage
Press/Media: Research
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The 44km electric fence that’s creating a ‘time machine’ in the Outback
3/08/23
1 item of Media coverage
Press/Media: Research
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Plibersek declares war on feral cats as 48 species join endangered list
6/09/23
1 item of Media coverage
Press/Media: Research
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NSW council calls for statewide pet cat curfew and power to enforce containment
25/07/22
1 item of Media coverage
Press/Media: Research
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‘Threatened species fortress’: Zero extinction goal for national parks
Woinarski, J. C. Z. & Legge, S.
6/09/21
4 items of Media coverage
Press/Media: Research
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MIL-Evening Report: Two-thirds of us support banning pet cats from roaming. A ban would...
Woinarski, J. C. Z. & Legge, S.
15/05/24
1 item of Media coverage
Press/Media: Research
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Pet cats killing over 300 mln Australian animals every year: report
9/06/23 → 10/06/23
5 items of Media coverage
Press/Media: Research