Just stumbled onto this, and it kind of made my day. This dude claims to have shot a chupacabra with his .22. There are pictures and everything! I'm not a doctor or nothing, but it is an ugly critter, whatever it is. Just this guys accent makes the video worth it.
http://www.cnn.com/video/data/2.0/video/us/2013/09/12/pkg-hunter-says-he-killed-chupacabra.wjtv.html