Lucanus elaphus, commonly known as the giant stag beetle, the elk stag beetle, or the elephant stag beetle, is a species of large beetles native to eastern North America. Male giant stag beetles can reach 2.5 inches in length, including large antler-like mandibles.
Giant stag beetle
![Giant stag beetle](https://npr.brightspotcdn.com/dims4/default/c726c50/2147483647/strip/true/crop/2048x1466+0+0/resize/880x630!/quality/90/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F05%2Fff%2F1ff37a094d399ecca5e553af5b6f%2Fgiant-stag-beetle-elk-stag-beetle.jpg)
Andy Reago, Chrissy McClarren
/
Flickr