Close up of large gray hippopotamus swimming in the water. in the background another hippopotamus.
A large gray hippopotamus floating in the water. Vising zoo.
A large gray hippopotamus floating in the water. Vising zoo.
Hippo swimming in water, danger animal in zoo. Wildlife hippo in pond zoology in environment. Hippopotamus enjoying submerge and pop up on the water surface Zoo animals
Hippo swimming in water, danger animal in zoo. Wildlife hippo in pond zoology in environment. Hippopotamus enjoying submerge and pop up on the water surface Zoo animals