'Super exciting' visit of dolphins to East River offers hope of cleaner New York

The rare sighting of two common short-beaked dolphins hints at an environmental success storyWhen New Yorkers were graced by the presence of two dolphins in the city's East River earlier this month, marine experts said such a sighting was rare - but also a sign that this spring and summer season could be a good one for spotting more marine mammals, both great and small.On the morning of 14 February, a pair of common short-beaked dolphins was spotted alongside Manhattan's Upper East Side. Experts tracking them observed that they lingered until 17 February, swimming up and down the fast-flowing channel that divides Manhattan from the boroughs of Queens and Brooklyn and is lined with skyscrapers. Continue reading...