Per 
Item #: SCP-XXXX
Object Class Euclid
Special Containment Procedures: SCP-XXXX should be kept in a sound proof room exactly 25 meters in length, 20 meters in withe and 10 meters in height.
Description: SCP-XXXX is a winged reptilian bipedal that stands at 2.15 meters. the creature is believed to come form a Dwarf Planet beyond the Kuiper belt. When SCP-XXXX was first discovered is was reported to travel at Mach 3 with its 3 meter long wings. SCP-XXXX can also hear all frequencies of sound, that is why being placed in a sound proof room is mandatory.
Addendum: SCP-XXXX was found in a meteorite and is believed to be about 250 years old. It is mostly harmless but when first discovered it was extremely hostile thought so because of the sight of this new environment. It has been reported of trying to "build up speed" where the creature could spread its wings and charge at the sound proof walls at almost full speed, but no successful escape has occurred
