1. Sexual Selection: The Importance of Long-Term Fitness Measures
Samuel Cotton, David W. Rogers, Andrew Pomiankowski 
Current Biology 
Volume 15, Issue 9, Pages R334-R336 (May 2005)
DOI: /j.cub
Copyright © 2005 Elsevier Ltd Terms and Conditions

2. Figure 1 Singing for success.
Males with the most complex songs leave the most descendents in the song sparrow Melospiza melodia. (Photo courtesy of Doug Backlund.)
Current Biology  , R334-R336DOI: ( /j.cub )
Copyright © 2005 Elsevier Ltd Terms and Conditions