Yes, they do.
Collective nouns for hares are a drove of hares, a down of hares, a husk of hares, a mute of hares, a leash of hares, and a trace of hares.
There are several collective nouns for hares, they are listed below; drove of hares, down of hares, husk of hares, leash of hares, trace of hares, trip of hares, warren of hares
No there is more with backbones
No backbones
Pigs do have backbones.
it has 2 backbones
All snakes have backbones.
all fishes have backbones
The backbones are part of the skeleton.
no they don't have backbones
no myriapods don't have backbones
The collective nouns for rabbits are: bury of rabbits colony of rabbits down of rabbits drove of rabbits husk of rabbits leash of rabbits trace of rabbits trip of rabbits warren of rabbits nest of rabbits (young) wrack of rabbits (young) And for hares: drove of hares down of hares husk of hares leash of hares trace of hares trip of hares warren of hares I hope this is useful!