This story appears in the June 2009 issue of National Geographic magazine. The dolphins are swimming through the trees. Bending sinuous bodies, they glide through branches and curl like snakes ...

You can’t mistake an adult Atlantic spotted dolphin for anything else—the spots are a dead giveaway. This gregarious cetacean isn’t born with those beauty marks, however. Calves start out ...

The sighting was rare: Risso’s dolphins typically travel in groups of only 10 to 30 animals, according to the National Oceanic and Atmospheric Administration. From a 20-foot (about 6-meter ...

Dolphins legend Nat Moore makes his second appearance in The Fish Tank, combining with O.J. McDuffie to form one of the most prolific receiving duos in podcast history (925 receptions for 12,620 yards ...