Coccyx
Bone but the very top of it is made of cartilage.
An Ankylosaurus's club was made up of two round balls of bone at the end of the tail. The bones were probably covered in a layer of keratin, the same material in human hair and fingernails or a rhino's horn.
a tail bone
The tail is the only part of a mouse body that contains a bone if it doesn't have the bone it wont be able to stand up. Its like a mouse's foundation
They are not made up of bone marrow, they just have bone marrow in them.
The bone that supports the tail feather bone is the scrodum or the dick
The bone in a horse's tail is called the Dock. It goes from the top of the tail, to about mid-tail or shorter.
The human tailbone, or coccyx, is a triangular bone formation located at the base of the vertebral column. It is made up of four fused vertebrae and serves as an attachment site for ligaments and muscles that support the pelvis and lower back.
bone
tail bone
That is the tail bone.
A dogs tail bone can definitely be broken. once when my dog was a puppy i slammed the dog and his tail got caught, the vet confirmed its fairly easy for a dog to brake its tail, so be careful!