Boxplots of the three focal climatic variables for wild-living horse (<i>E</i>. <i>ferus</i>) localities (n = 76) worldwide.

<p>Mean temperature in the coldest quarter (MTCQ) (white), precipitation in the driest quarter (PDQ) (light grey) and precipitation in coldest quarter (PCQ) (dark grey). Whiskers mark the 1^st and 3^rd quartiles, and the line indicates the median. Dots are outliers.