![](https://webarchive.library.unt.edu/eot2008/20081106225516im_/http://nsf.gov/images/x.gif) News From the Field Species Thrive When Sexual Dimorphism Broadens Their Niches
![](https://webarchive.library.unt.edu/eot2008/20081106225516im_/http://nsf.gov/images/greenlineshort.jpg)
May 10, 2007
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Some Caribbean lizards' strong sexual dimorphism allows them to colonize much larger niches and habitats than they might otherwise occupy, allowing males and females to avoid competing with each other for resources and setting the stage for the population as a whole to thrive.
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Source Harvard University
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