posted on 2019-03-06, 09:08authored byMathilde Le Covec, Carla Aimé, Dalila Bovet
One
of the birds, Seth, shows an unexpected behaviour: he put or dropped a bell on
the xylophone 198 times. This was performed deliberately as Seth picked up a
bell at some distance (3 to 15 cm) from the xylophone, approached it with the
bell still in his beak, then put (159 times) or dropped (39 times) the bell on
the xylophone