Pepperberg, Irene M. <br/><br/>
The Alex studies  cognitive and communicative abilities of grey parrots /  [electronic resource] : 
Irene Maxine Pepperberg. 
 - Cambridge, MA :  Harvard University Press,  1999. 
 - x, 434 p. :  ill. 
<br/><br/>Includes bibliographical references (p. [347]-408) and index. 
<br/><br/><br/>Electronic reproduction. <br/>Palo Alto, Calif. : <br/>ebrary, <br/>2009. <br/>Available via World Wide Web. <br/>Access may be limited to ebrary affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>African gray parrot--Behavior.<br/>Cognition in animals.<br/>Animal communication.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QL696.P7  / P46 1999eb