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rAvis: An R-Package for Downloading Information Stored in Proyecto AVIS, a Citizen Science Bird Project

Figure 1

Data collected by amateur birdwatchers and stored in Proyecto AVIS show the same patterns as data collected by scientists, like scale invariant relationship of the frequency distribution of the number of observations per species (A-B-C) and scale invariant relationship of the frequency distribution of the number of UTMs per species (E-F-G).

Figure 1

doi: https://doi.org/10.1371/journal.pone.0091650.g001