Variation in an Extreme Weapon: Horn Performance Differences across Rhinoceros Beetle (Trypoxylus dichotomus) Populations
Japanese rhinoceros beetle (Trypoxylus dichotomus) males have exaggerated head horns that they use as weapons in combat over reproductive opportunities.In these contests, there is an advantage to having a longer horn, and there Outdoor Curved Corner Chair with Cushion seems to be little cost to horn exaggeration.However, populations vary in the amo