Great White Shark, Carcharodon carcharias, Guadalupe Island, Mexico

Anu Temple, Uruk, Iraq, Middle East

Sea cucumber (Holothuria sp.), anus detail, Puerto Galera, Mindoro, Philippines, Southeast Asia, Asia

Adult gentoo penguins (Pygoscelis papua) mating on Barrentos Island in the Aitchi Island Group, South Shetland Islands, Antarctica

An adult gentoo penguin (Pygoscelis papua) defecating on Petermann Island, Antarctica

Rectum, Drawing