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. 2013 Sep 13;8(9):e75718. doi: 10.1371/journal.pone.0075718

Figure 1. Capture locations of free-roaming cats in the Chicago metropolitan area.

Figure 1

Study sites are referenced in orange with the samples sizes indicated at each site (n). All cats were sampled during 2008-2009. Black lines indicate primary, secondary and residential roads as an indicator of urbanization.