Cooperative breeding in birds :  long-term studies of ecology and behavior / 
edited by Peter B. Stacey and Walter D. Koenig. 
 - Cambridge :  Cambridge :  Cambridge University Press, 1990.  Cambridge University Press, 1990. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0521372984 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds -- Behavior--Birds -- Behavior<br/>Birds -- Ecology--Birds -- Ecology
<br/><br/><label>LC Class. No.: </label>QL698.3  / Coo 1990