A new study observed Amazon river dolphins for 218.9 hours and saw males spurt urine into the air 36 times—proof that the ...

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.

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 ...