Because it is safer for them. It is also cooler/warmer, depending.
hedgehog live in the wild because underground where they live down there is warm for them
While hedgehogs are burrowing creatures, they do not spend their entire lives underground.
the scientific name for an hedgehog is Erinaceus Albiventris
There were two Sonic shows before Underground: The Adventures of Sonic the Hedgehog (AoStH) and Sonic the Hedgehog (SatAM). SatAM was similar in setting to Underground. There was also a film, entitled Sonic the Hedgehog The Movie (Sonic OVA).
I believe you mean Manic The hedgehog. Manic is Sonic's brother in Sonic Underground.
no, she isnt. But there is a pink hedgehog in sonic underground named sonia(sonics sister) so try not to get them mixed up
Adventures of Sonic the Hedgehog Sonic The Hedgehog(SatAM) Sonic Underground Sonic the Hedgehog The Movie Sonic X
Her name is Sonia and she is from Sonic Underground. Shes is a hedgehog with a pink and purple color scheme. Just google "Sonia- Sonic Underground"
AOSTH: no Sonic X: yes Sonic SATAM: no Sonic underground: no
In Adventures of Sonic the Hedgehog or Sonic Underground, Sonic original design is in these episodes.
Sonic Underground
he is sonic brother in sonic underground