[P.O.E.]

Not a memory test.

Not clear how they controlled for the bird using "clues". For example, did the poms all smell the same? Did the experimenter make unconcious moves to indicate the correct answers?

I remember the horses who supposedly could do arithmetic. Turns out they were reacting to a slight cue from their handler on when to stop clomping.

[ifinnegan]

Clever Hans.