Hippopotamus with Open Mouth — Gray

1920 × 1080

Hippopotamus with Open Mouth — Brown

1600 × 1000

Hippo with Open Mouth — Brown

1920 × 1200

Hippopotamus Yawning — Green

1920 × 1200

Hippo with open mouth in water

1280 × 720

Hippopotamus in Water — Green

1600 × 1000

Hippo with open mouth in water

4288 × 2848

hippo in muddy water

1680 × 1050

Hippopotamus on Riverbank — Gray

1600 × 1000

Hippo with open mouth in water

1600 × 1200

hippo in water near trees

1920 × 1080

Hippos in Water — Brown, Calm

2160 × 1440