neither, they have no back bone and certainly no feathers
everything that has feathers has a backbone.....
The narwhal is a whale, a mammal and has a backbone.
Blue whales have backbones.
Yes it has a backbone. All mammals have backbones and are therefore vertebrates.
No. Invertebrates are animals with no spines (backbones) and whales do have spines. Whales are mammals, and all mammals have spines.
All whales have backbones. In the related links box below, I posted some information.
In a word, no!Invertebrates are animals that have no backbone, such as earthworms, beetles, and snails.The only animals to grow feathers are birds, which do have backbones, as you can see if you carve a turkey.
No there is more with backbones
No backbones
Pigs do have backbones.
it has 2 backbones
All snakes have backbones.