Purple Herons near Venice, NE Italy

The Po Delta in NE Italy is one of the most important nature area in Europe because of its high biodiversity;
it is home of more than 370 bird species, among wich all the European species of herons and egrets are regularly breeding. The picture shows a pair of Purple Herons building its nest. Photo was realized in digiscoping without neither disturbing the birds nor damaging vegetation, by taking it from a wooden watch-tower used by visitors of a nature reserve near Venice (Venezia).