Authors: Sebastian Boltaña; Sonia Rey; Nerea Roher; Reynaldo Vargas; Mario Huerta; Felicity Anne Huntingford; Frederick William Goetz; Janice Moore; Pablo Garcia-Valtanen; Amparo Estepa; S Mackenzie Journal: Proc Biol Sci Date: 2013-09-07 Impact factor: 5.349