A new study observed Amazon river dolphins for 218.9 hours and saw males spurt urine into the air 36 times—proof that the behavior is more common than we thought.

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 ...

mountains and jungle and dolphins tend to frequent these places. It is a non-profit entity that functions as the official expression body of the National Geographic Society of the United States.

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 ...