Yes. They are mammals.
Echidnas do not hibernate.
There are no echidnas in Bali. Echidnas are found only in Australia and on the island of New Guinea.
No. Echidnas do not hop. They walk.
No. All echidnas are mammals, and all mammals are vertebrates. Echidnas are different from "echinoderms".
No. Echidnas eat termites.
Yes. Echidnas are solitary animals.
Echidnas do not hibernate.
There's no collective term for a group of echidnas.
Echidnas do not hibernate.
No. Echidnas are not hostile to people or other animals.
The seventh cervical vertebra is called as vertebra prominens. This vertebra has the long and prominent spine. This spine can be felt at the joint of the neck and thorax.
Cervical vertebra