Dangerous unconfirmed species

Name(s): 
Big-Foot
Yeti
Goat-sucker
Chupacabras
Claim 
During the 1980s and 1990s unconfirmed reports of a [goat-sucker] or [chupacabras] have been made in Mexico and several Latin American countries. It is reported to have attacked humans and domestic animals.
Counter-claim 
A great number of monsters have been reported in the 20th century including: the Loch Ness Monster; Yeti or Abominable Snowman; Bigfoot. However neither their existence nor their danger to humans has been confirmed.
Type 
(J) Problems under consideration