one changes colors and one doesn't
Assuming you mean a super form called Ultra Sonic, No
sound waves with frequencies 20 hertz or lower are infrasonic and waves above 20,000hertz are ultra sonic!
Ultra Sonic first appears in Sonic the Hedgehog #'s 65 and 66, with additional appearances in Sonic the Hedgehog #71 and Super Sonic Special # 15.
the sonic forms are super sonic, dark spine sonic, excalibar sonic, calliburn sonic, ultra sonic, solar sonic, eco sonic and ice sonic hyper sonic negative sonic
Yep but only seen in the comics. It replaced Hyper Sonic in the comics.
he might have we may not know. if he does its probably hyper sonic
Dark sonic Hyper sonic Normal sonic Metal sonic (created by Eggman ) Werehog sonic Fire sonic
What is the difference between a regular memory card and an Ultra Memory card
Correction, Yes there are such beings as Solar Sonic and Ultra Sonic, however, they does not make an Apperance in any of the games, Solar and Ultra Sonic only appeared in the Comics, Ultra Sonic was the Base form Sonic would Assume when he collected a certain Number of Rings (1000 i believe) and he could change his form based on the climate of the Area he is in, Solar Sonic assumes control when Ultra Sonic is in a hot, Arid area, such as a Desert, there is also Eco Sonic for forests and Polar Sonic for Ice caps
Normal Sonic, Super Sonic, Hyper Sonic, Eco Sonic, Polar Sonic, Solar Sonic, Ultra Sonic, Dark Sonic, Darkspine Sonic, and Excalibur Sonic. (Note that these are forms of Sonic the Hedgehog)
we can not hear ultra sonic sounds because u can not hear them
Normal... Spin-dash Homing attack Super speed Super Sonic... Boost Invincibility Hyper Sonic... Mid-air boost/double jump Invincibility Wherehog... Arm stretch Strength Darkspine sonic... Flying Dark Sonic... Strength Anger Excalibur... Strength Flight Polar Sonic... Manipulate Ice Solar Sonic... Manipulate Fire Eco Sonic... Manipulate Plant Life Ultra Sonic Flight Manipulate Non-Living Matter and that's it! hope that helps.