Figure_2.tif (454.94 kB)
Preference ranks of the reduced parrot picture set.
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posted on 2013-02-20, 23:38 authored by Daniel Frynta, Silvie Lišková, Sebastian Bültmann, Hynek BurdaThe figure shows the relationship between mean preference rank of parrots (variants of pictures pooled) and its worldwide zoo population size in the reduced set of 40 species (R2 = 19.9%). The higher the rank, the lower the human preference of the species is.