Link to the study about pigeons' discrimination between Picasso and Monet paintings: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1334394/pdf/jeabehav00221-0041

Link to the study about pigeons' discrimination between Picasso and Monet paintings: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1334394/pdf/jeabehav00221-0041.pdf http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1334394/pdf/jeab... Still looking for a source for the assembly lines tests.