In Chaser we
learned about a border collie who has mastered the names of over 1000 toys, and
who also shows an understanding of syntax and semantics, as well as
definitions. Chaser is able, in a sense, to communicate with her human. But it
is a one-way communication, because of course, Chaser cannot speak. That is,
she cannot speak our language.
Alex, an African Grey parrot, on the other hand, could participate in dialogue with his humans. He could also add and understand concepts of equivalency, and even came to understand zero up to a point. In many cases, he taught himself words and ideas; for example, calling an apple a “banerry,” possibly combining banana and cherry.
In Irene Pepperberg’s fascinating memoir about her work and
life with Alex (Alex & Me), she
is determined to discover if a parrot can do more than just parrot. Is there
more than mimicry involved when the bird speaks? The answer is a resounding
yes, of course, as Alex demonstrates repeatedly. He not only uses language for
his demands (“Want nut!”) but to emote (“I’m sorry!” “Calm down!” and “I love
you”). And as he demonstrates, a creature with a brain the size of a shelled walnut
can develop and learn at about a five-year-old human’s level.
But Alex may have been an exceptionally bright parrot— a
bird brainiac. His parrot colleagues who joined him in some of the testing and
training were noticeably insecure around their brilliant labmate. Alex often
interjected his own criticisms during their training sessions, telling one bird
to “say better,” when he felt he was mumbling his answers.
Alex also had an advanced sense of humor, and obviously
enjoyed messing with his humans. When he was bored or simply out of sorts, he
made it clear he wanted no part of the curriculum and would simply turn his back
on his trainers. When he was feeling particularly puckish, he’d purposely
misspeak, or would insist his humans obey his many commands. The students who
worked with him called themselves “Alex’s Slaves.”
There are many questions surrounding the study of animal
communication and cognition. Are we barking up the right tree? Should we be
studying how animals speak, rather than teaching them to learn our language?
And we are also still fighting against the Great Chain of
Being concept, perpetuated by the belief that man is God’s creation and
inherently superior to all other life forms. So long as we believe humans are
the center of the universe, animals will take a back seat, and studies of
animal intelligence will also be met with some resistance. The thirty-year-long
relationship Dr. Pepperberg had with Alex ended too soon, but spanned a change
in the scientific community towards acceptance of language and communication in
animals.
Alex’s accomplishments are truly breathtaking. Dr.
Pepperberg’s memoir was published in 2008, but it is timeless in presenting
seemingly irrefutable evidence not just of avian intelligence but emotion as
well. Her plea, and much of her work, has been devoted to protecting pet
parrots from the devastating effects of isolation and boredom resulting from
ignorant and incompetent owners. A child placed in a closet during his
formative years would be considered abused, and rightly so. A bird placed in
the same circumstances is also abused. It’s best for them to be left in the
wild, but since there are so many sold as pets these days, at least they should
be given every opportunity to thrive intellectually.
Thanks to the so-called Clever Hans case, there are still
critics of Dr. Pepperberg’s work, as well as the work of other scientists
studying animal intelligence. It’s an uncomfortable concept for some folks to
accept that the animal they are eating, caging, capturing, or manipulating may
be as intelligent as their pre-schooler. Books such as Alex & Me point out in no uncertain terms that there is much to
be learned and discovered about our fellow creatures. Ignorance and egoism seem
to be uniquely human traits; intelligence, however, is not.