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The challenge of monitoring elusive large carnivores: An accurate and cost-effective tool to identify and sex pumas (Puma concolor) from footprints

Fig 3

An excellent quality puma footprint, photographed to the FIT protocol.

A metric scale is placed to the left and posterior edge of the footprint, and a photo ID slip containing details of the footprint and image is included. The image is taken from directly overhead.

Fig 3

doi: https://doi.org/10.1371/journal.pone.0172065.g003