Barbados Bullfinch performing string-pulling

Citation: Audet J-N, Ducatez S, Lefebvre L (2016) Bajan Birds Pull Strings: Two Wild Antillean Species Enter the Select Club of String-Pullers. PLoS ONE 11(8): e0156112. doi:10.1371/journal.pone.0156112

To read the full article: http://dx.plos.org/10.1371/journal.po...