Dark brown or tea-colored: Urine that looks dark brown or like tea could be a sign that you’re not drinking enough water. If you’ve been drinking plenty of fluids and your urine is still dark ...

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.

Amazon river dolphins swim in the tea-colored Ariau River in Brazil. Scientists have observed these dolphins, also known as botos, spurting urine into the air—and sometimes onto each other.