On Dec. 9 at 4:50 p.m., mother Iris gave birth to a 15-pound female hippo. It was the third calf Iris and her mate Corwin have produced in the last 4½ years, according to Jan Lopez, one of the ...

According to St. Lucia Hippo Boat Trips, during peak mating season, male hippos engage in a rather unique behavior where they urinate and defecate at the same time.