Dynastes granti - Western Hercules Beetle
Arizona, USA

photograph © Alex Wild 2006

No contest: a minor male hercules beetle (left) stands little chance against a major male of his own species.  Males use their horns to fight for access to females.  

USA AZ Cochise Co.: Chiricahua Mountain Foothills, 31º59'N 109º22'W 1650m. 16.viii.2006.
Riparian forest, ex Fraxinus.

This image is copyrighted by the photographer and cannot be used without permission. To obtain permission to use this image, please email Alex Wild. (alwild (at)  Most of the photographs on are reduced from their original size and compressed for more efficient web transmission.  In some cases, higher quality versions are available.

This image was captured with a Canon EOS 20D, using a Canon 100mm 2.8 Macro USM lens.