In this peaceful wildlife moment, two birds rest on a hippopotamus as it floats calmly in the water. This simple scene captures the quiet cooperation and surprising harmony that can exist in nature.

Yellow males are especially likely to succeed at mating with females if the orange male is currently mating with another ...

Gayla Peevey, singer of that enduring Christmas classic, "I Want a Hippopotamus For Christmas," sings in her home in La Mesa, California. It was 1953, and one of the hottest songs on the radio was “I ...