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

Rolf Nussbaumer / Natterjack toad male calling {Bufo calamita} Switzerland.

Jose B. Ruiz / Natterjack toad singing at night, Spain

Bernard Castelein / Natterjack toad (Bufo calamita), Klein Schietveld, Brasschaat, Belgium. July

Chris Mattison / Natterjack toad (Epidalea calamita) in temporary pool, Costa Vicentina National Park, Algarve, Portugal

Chris Mattison / Natterjack toad (Epidalea calamita) in temporary pool, Costa Vicentina National Park, Algarve, Portugal

Chris Mattison / Natterjack toad (Epidalea calamita) close up of skin showing poison glands and vertebral stripe. Costa Vicentina National Park, Algarve, Portugal

Chris Mattison / Natterjack toad (Epidalea calamita) close up of skin showing poison glands and vertebral stripe. Costa Vicentina National Park, Algarve, Portugal

MYN / Dirk Funhoff / Natterjack toad (Bufo calamita) swimming, Neu-Bamberg, Germany. Meetyourneighbours.net project.

MYN / Dirk Funhoff / Natterjack toad (Bufo calamita) adult and froglet, Neu-Bamberg, Germany. Meetyourneighbours.net project.