I’m gliding down a narrow waterway on a small, open-deck viewing boat deep in the marshes. Next to me, wild horses graze on green plains, while on the horizon, ancient woods shimmer in the morning sun. “Nobody knows how this forest came to be,” says local guide and wildlife expert Daniel Petrescu, binoculars in hand.
Having joined a four-day, small-group cruise exploring one of Europe’s largest wetlands, I’m in Romania’s section of the Danube Delta. A UNESCO Biosphere Reserve, the 1,200sq-mile area is a haven for more than 300 resident and migratory bird species, including pelicans, whiskered terns and white-tailed eagles, making it a magnet for birders.
But we’re most excited about visiting Letea Forest, one of Romania’s oldest natural reserves, protected since 1938. It covers a tiny area less…