Puddle swamp dig spade worker man drone aerial puddle protection conservation nature out build an amphibian breeding new excavate pit pond by hand. Wetland marsh finding water bog with high biodiversity tree frog morass, fire-bellied toad and common spadefoot. Digging with spade and shovel. Grounding and siltation of wetlands scoop, the aging process of lakes slough. Protection of nature and landscape through human devastation and destruction. Species Hyla arborea, Czech Republic, Europe