Hazard identification and ecological risk assessment of pesticide exposure in wildlife using GPS telemetry: case study on endangered Carnaby’s Cockatoos

Zoë M. Kissane; Kristin S. Warren; Lian Yeap; Jill M. Shephard

doi:10.1016/j.etap.2025.104894

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Hazard identification and ecological risk assessment of pesticide exposure in wildlife using GPS telemetry: case study on endangered Carnaby’s Cockatoos

Journal article

Open access

Peer reviewed

Hazard identification and ecological risk assessment of pesticide exposure in wildlife using GPS telemetry: case study on endangered Carnaby’s Cockatoos

Zoë M. Kissane, Kristin S. Warren, Lian Yeap and Jill M. Shephard

Environmental toxicology and pharmacology, Vol.121, 104894

2025

DOI: https://doi.org/10.1016/j.etap.2025.104894

PMID: 41352621

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Abstract

ecotoxicology

GPS telemetry

hazard

movement ecology

neonicotinoid

pesticide

wildlife

Wildlife toxicology faces increasing threats from pesticide use, yet the impacts on biodiversity remain unclear, as current toxicity thresholds often rely on laboratory data that do not reflect environmental exposure. Here we present a two-step methodology integrating ecotoxicology and movement ecology to investigate pesticide exposure in endangered Carnaby’s cockatoos (Zanda latirostris). Using GPS telemetry and satellite tracking, this study identified pesticide exposure sites and quantified the likelihood and consequences of exposure. A total of 26 pesticides were detected in forage sources (agricultural seed), with 80% of seed samples having one or more pesticides detected. The Maximum Residue Limit (MRL) was exceeded for multiple pesticides including imidacloprid, thiamethoxam, clothianidin, difenoconazole and metalaxyl. Results have highlighted the risks that granivorous birds face being exposed to insecticides, herbicides, and fungicides in agroecosystems. This methodology is broad in scope and applicable across species, providing the ecological realism missing in laboratory-based studies. [Display omitted]

Details

Title: Hazard identification and ecological risk assessment of pesticide exposure in wildlife using GPS telemetry: case study on endangered Carnaby’s Cockatoos
Authors/Creators: Zoë M. Kissane - Murdoch University, Harry Butler Institute
Kristin S. Warren - Murdoch University, Centre for Terrestrial Ecosystem Science and Sustainability
Lian Yeap - Murdoch University, Centre for Terrestrial Ecosystem Science and Sustainability
Jill M. Shephard - Murdoch University, Centre for Terrestrial Ecosystem Science and Sustainability
Publication Details: Environmental toxicology and pharmacology, Vol.121, 104894
Publisher: Elsevier B.V.
Identifiers: 991005838166307891
Murdoch Affiliation: Harry Butler Institute; Centre for Terrestrial Ecosystem Science and Sustainability; School of Environmental and Conservation Sciences; School of Veterinary Medicine
Language: English
Resource Type: Journal article

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