Solvin Zankl / Stag beetle (Lucanus cervus) silhouetted against oak tree leaf. Elbe, Germany, June.

Solvin Zankl / Stag beetle (Lucanus cervus) male on oak tree. Elbe, Germany, June.

Adrian Davies / Stag beetle (Lucanus cervus) male silhouetted against leaf, controlled conditions.

Paul D Stewart / Copperplate engraving of a Stag Beetle (Lucanus cervus), with hand colouring possibly by Donovan himself. While most plates were thinly coloured to tint the interstices of the lines of the engraving b...

Terry Whittaker / 2020VISION / Stag Beetle (Lucanus cervus) in defensive posture; male in garden where it emerged naturally. Kent, UK, June. Controlled situation.

Hiroya Minakuchi / Stag Beetle (Odontolabis cypri), Malaysia

Martin Gabriel / Stag Beetle (Lucanus cervus) pair mating. Bavaria, Germany, June.

Terry Whittaker / 2020VISION / Stag beetle (Lucanus cervus) two males displaying aggressive behaviour on oak tree branch at woodland edge, Suffolk, UK, Controlled conditions, July

Nick Garbutt / Giant Stag Beetle {Lucanidae} (unknown species) Montane rainforest, Mt Kinabalu, Sabah, Borneo.

Pal Hermansen / Stag beetle (Lucanus cervus) male on lichen covered branch. Oland, Gotland, Sweden. June.

Pal Hermansen / Stag beetle (Lucanus cervus), two males fighting on lichen covered branch. Oland, Gotland, Sweden. June. 2019 Highly commended in the Magical Nature Contest hosted by Association of Slovenian Nature P...

Pal Hermansen / Stag beetle (Lucanus cervus) walking along lichen covered branch. Oland, Sweden. June.