Hippo splashing water with open mouth

1600 × 1200

Hippo with Open Mouth — Green

1920 × 1200

Hippopotamus with Open Mouth — Gray

1920 × 1080

Hippopotamus in Water — Brown

1024 × 768

Hippopotamus in Water — Green

1600 × 1000

Hippo in Water — Green

1680 × 1120

Seal with open mouth

2560 × 1600

Hippo splashing water

1280 × 1024

Hippopotamus in Water — Gray, Natural, Afternoon

1920 × 1080

Hippopotamus with Open Mouth — Blue

1920 × 1200

Hippopotamus with Open Mouth — Green

1920 × 1080

Hippopotamus with Open Mouth — Green, Dramatic

1280 × 720