Two bowls of corn were attached to the table, but the elephants could reach them only by pulling two
ends of the rope simultaneously.
Not exact matches
The canister could only be opened by
simultaneously pulling a
rope at either
end of it.
The only way to bring the food within reach was to
simultaneously pull two
ropes connected to the
ends of the platform, but the
ropes were too far apart for one animal to reach on its own (ScienceNOW, 2 March 2006).
In this experiment, a pair
of animals can bring a platform bearing food within their grasp if both
simultaneously pull on the
ends of a
rope threaded through it.
When a pair
of elephants pulled two
ends of the same
rope simultaneously, a table bearing the corn slid within reach.