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by Masson, J. Moussaieff (Jeffrey Moussaieff), 1941-
Published 2010 -
by Johnson-Bennett, Pam, 1954-
Published 2004 -
Alex & mehow a scientist and a parrot uncovered a hidden world of animal intelligence--and formed a deep bond in the processcompact disc unabridgedby Pepperberg, Irene M. (Irene Maxine)
Published 2008 -
Published 2018
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by Ludwig, Gerd
Published 2008 -
by Dodman, Nicholas H.
Published 1999 -
by Paige, Colleen
Published 2007 -
by Geller, Tamar
Published 2007