New Yorkers Are Treated to Rare Dolphin Sighting in East River - EcoWatch
NYC rivers are now home to dolphins as water levels have improved since the Civil War
A Dolphin Tale - The Wave
Dolphin vaginas will blow your mind
Sightings of a lifetime': Whales, dolphins flock to NYC waters
Researchers Find That Dolphins Call Each Other By 'Name' : The Two-Way : NPR
New Study Finds Dolphins are Returning to New York Harbor - Thrillist
Eavesdropping on the Secret Lives of Dolphins in New York Harbor - The New York Times
Dolphins Show Self-Recognition Earlier Than Children - The New York Times
The curious reasons why dolphins play
River dolphins: boto populations are declining rapidly
Dolphins 'shout' to get heard over noise pollution - BBC News