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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Elizabeth J. Green conceived and designed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Louise McRae conceived and designed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Robin Freeman conceived and designed the experiments, contributed reagents/materials/analysis tools, authored or reviewed drafts of the paper, approved the final draft.

Mike B.J. Harfoot conceived and designed the experiments, contributed reagents/materials/analysis tools, authored or reviewed drafts of the paper, approved the final draft.

Samantha L.L. Hill conceived and designed the experiments, authored or reviewed drafts of the paper, approved the final draft.

William Baldwin-Cantello conceived and designed the experiments, authored or reviewed drafts of the paper, approved the final draft.

William D. Simonson conceived and designed the experiments, authored or reviewed drafts of the paper, approved the final draft.

Data Deposition

The following information was supplied regarding data availability:

The vertebrate population data was taken from the Living Planet Database which is hosted online at www.livingplanetindex.org. The data are freely available with the exception of 439 time-series which have been shared confidentially and cannot be viewed or downloaded. The Forest Specialist Index was calculated using the R package rlpi available at https://github.com/Zoological-Society-of-London/rlpi.

Funding

This work was funded and supported by WWF-UK, WWF-Germany and WWF-France. Institutional support was also provided by ZSL Institute of Zoology. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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