Villegas-Amtmann, S. <br/><br/>
Low synchrony in the breeding cycle of Galápagos sea lions revealed by seasonal progesterone concentrations. 

 -  2009 
<br/><br/><br/>English 
<br/><br/><label>Subjects--Index Terms: </label>Galápagos Sea lions  Lobos marinos Zalophus wollebaeki 
<br/><br/><label>Dewey Class. No.: </label>599.7975