Bert Willaert / Natterjack toad (Epidalea calamita / Bufo calamita) next to an empty bullet cartridge on military land, Belgium, June.

Bert Willaert / Amplectant pair of Natterjack Toads (Epidalea / Bufo calamita) with reflection in water. Belgium, Europe, July.

Solvin Zankl / Natterjack Toad (Epidalea / Bufo calamita) Germany

Bert Willaert / Natterjack Toad (Epidalea / Bufo calamita) in its environment. Belgium, March.

Pete Oxford / Natterjack toad (Epidalea / Bufo calamita) Natural Monument of Los Barruecos, Extremadura, Spain

Pete Oxford / Natterjack Toad (Epidalea calamita), Malpartida de Caceres, Extremadura, Spain

Pete Oxford / Natterjack Toad (Epidalea calamita), Sierra de Andujar Natural Park, Andalusia, Spain

Thomas Marent / Natterjack Toad (Epidalea calamita) pair mating, Switzerland

Chris Shields / Illustration of life around dune slack: Natterjack toad (Epidalea calamita,formerly Bufo calamita),with butterfly, flower and bird flying.

Ingo Arndt / Natterjack Toad (Epidalea calamita) close-up of face, Germany