Cyptozoology, name of this creature?

Question

It runs on two feet, and it kills sheep,runs so fast people can never catch it,I think it's some type of reptile, it has spikes on its head,maybe around 3 feet tall.I saw a drawing of one a long time ago, but I need the name.

Thanks

Answer 1

yeah sounds like a chupacabra and they suck blood from goats not sheep,and they were reported in Mexico,Puerto Rico,and Texas and maybe more places