They do have an anal opening, called a vent.
blue whale
All mammals have belly buttons so yes pigs have belly buttons and so do elephants.
Sharks do not have a belly button. They are born from eggs that hatch inside the mother's body, and the baby sharks are nourished by yolk sacs rather than umbilical cords.
Steven Hehr - His belly button has been known to hold upward of 1.50 in quarters. In his youth, while lounging in a pool, he would fill his belly button with water and use it as an ash tray. This was before his belly button expanded to it's freakishly large size as can be seen today. If you ever wish to see his naval, all you need to do is ask. He relishes in the attention he gets from his gargantuan crater of a belly button.
Animals have a belly button because they were once connected to their mother through an umbilical cord, which supplied them with nutrients while they were developing in the womb. After birth, the umbilical cord is cut, leaving a scar known as a belly button. This scar remains as a reminder of their connection to their mother during gestation.
eBay
they are found deap in the depths of my belly button =]
In the Belly of a Shark was created on 2007-09-17.
He was rumored to not have a belly button.
Out Belly Button
A belly button ring is a body piercing placed in a cauterized area of the belly button.
Your belly button is in your middle on the bottom side.
yeye
le nombril is the name for the belly button in French.
There is no such thing as belly button dandfruff, you probably just need to clean the inside of your belly button.
Its the jewelry that goes into a belly button piercing.
As big as your belly button.