“…Although direct observation is still an important method for gathering data, a variety of automated methods are now frequently used to accelerate data collection and reduce the effects of human intervention. Video recording has become common practice for studying both captive (Ihle, Kempenaers, & Forstmeier, 2015;Nagy et al, 2013;Perez-Escudero, Vicente-Page, Hinz, Arganda, & de Polavieja, 2014;Rojas Mora, Forstmeier, & Fusani, 2014;Togasaki et al, 2005) and wild organisms (Scheibe, Eichhorn, Wiesmayr, Schonert, & Krone, 2008;Togasaki et al, 2005). However, manually measuring behaviour from photos or videos is extremely time consuming and may still have the same limitations as direct observations, such as cognitive bias and fatigue.…”