Terborch, John. <br/><br/>
Where have all the birds gone ?  essays on the biology and conservation of birds that migrate to the American tropics. 
by John Terborch. 
 - Princeton  Princeton Univ Press  1989 
 - xvi, 207p. 
<br/><br/><label>ISBN: </label>0691024286 (pbk) 
<br/><br/><label>Dewey Class. No.: </label>598.252  / N89