Abstract Populations of Queensland koalas are rapidly declining, and the driving force behind this is habitat loss. This study analyzed reports (N = 50,858) made to three wildlife- focused veterinary clinics within the South-East Queensland Wildlife Hospital Network for assistance relating to a sick or injured wild koala between 1997 and 2019. Using descriptive and inferential statistics, a nominal logistic regression was performed to test the effect of key independent variables (age, sex, and etiology) on the outcome of each koala (released, deceased, euthanized) after being reported. Results found that the most common outcome for both sexes, most etiologies, and all ages was euthanasia. A comprehensive understanding of the primary risks affecting endangered species, and how these risks affect the likelihood of survival, is essential to inform species conservation policies and extinction risk assessments. We hope this study can provide an indispensable basis for future koala conservation strategies.
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Original Title: Study Reveals Koala Population Decline and High Euthanasia Rates in Queensland Clinics, An analysis of 50,858 koala reports (1997-2019) shows habitat loss is the main cause of their decline, with euthanasia being the most common outcome. The study calls for urgent conservation efforts to prote
