A pair of Argentine toads [Rhinella arenarum] asleep in a burrow in Buenos Aires. These toads are often found near stagnant water sources, and are very common within their range. Image by Guille Ivan Spajic.

A pair of Argentine toads [Rhinella arenarum] asleep in a burrow in Buenos Aires. These toads are often found near stagnant water sources, and are very common within their range. Image by Guille Ivan Spajic.