Bentley, G E <br/><br/>
Decreased light intensity alters the perception of day length by male European starlings (Sturnus vulgaris).  [electronic resource] 

 -  Journal of biological rhythms  Apr 1998 
 - 148-58 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0748-7304 
<br/><br/><label>Standard No.: </label>10.1177/074873098128999998  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Birds--anatomy & histology<br/>Circadian Rhythm--radiation effects<br/>Light<br/>Luteinizing Hormone--blood<br/>Male<br/>Molting--physiology<br/>Testis--anatomy & histology<br/>Thyroxine--blood<br/>Time Factors