Hippopotamus Yawning — Green

1920 × 1200

Hippopotamus Yawning — Black

1920 × 1200

Hippopotamus on Riverbank — Gray, Natural

1680 × 1050

Hippos in water with open mouths

1600 × 1200

Hippopotamus with Open Mouth — Blue

1920 × 1200

Hippopotamus with Open Mouth — Gray

1920 × 1080

Hippopotamus with Open Mouth — Green, Dramatic

1280 × 720

Hippopotamus with Open Mouth — Brown

1600 × 1000

Hippopotamus in Water — Brown, Dramatic

5184 × 3456

Hippopotamus in Water — Green, Dramatic, Sunset

1920 × 1200

Hippopotamus in Water — Brown, Dramatic, Afternoon

4288 × 2848

Hippo with Open Mouth — Green

1920 × 1200