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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 2

This figure shows three puma footprints of poor (a), acceptable (b), and excellent (c) quality.

The main difference is the clarity of the outline of the heel and toes.

Fig 2

doi: https://doi.org/10.1371/journal.pone.0172065.g002