they have belly buttons because they have them okii
Birds do not have belly buttons. Belly buttons are formed when the umbilical cord connects the baby to the mother. Only mammals give birth to live young in this way, so only mammals have belly buttons. Mammals are the animals who have hair and feed their young with milk.
Yes, hamsters do have belly buttons
Things generally don't have belly buttons. All placental mammals have belly buttons.
Yes in fact all mammals have belly buttons which is super fascinating but they are straight unlike our human belly buttons!
Oh, but they do have belly buttons.
Yes! all mammals have belly buttons. When we are growing in our mothers belly we are joint by an umbilical cord then when we have been born the umbilical cord gets cut and that is why we have belly buttons.
All mammals have belly buttons so yes pigs have belly buttons and so do elephants.
No. Belly buttons are part of human bodies, and as such, do not grow on trees.
When your pregnant your belly gets bigger,and your belly button just sticks out there.
no
No
No, a belly button is a belly button.