Sunday, December 13, 2009

El chupacabras: An unknown creature or an extraterrestrial beast?

Written by Nelson C. Rivera (PRUFON)

Many ufologists state that the phenomenon known as the Chupacabras is an extraterrestrial beast, while cryptozoologists claim that it may be an unknown, yet to be discovered, terrestrial creature roaming the wooded areas of Puerto Rico and the Americas. Others say that it is just a figment of people's imagination. One thing is certain; the Chupacabras has formed part of Puerto Rican folklore and culture.

The first known animals killed by their blood being sucked occurred in the municipality of Moca, Puerto Rico. As early as 1975, in the town of Moca, many farm animals; chicken, rabbits, goats even cows and horses were found with their bodies bled dry through a series of small circular incisions in the throat or neck leaving their carcasses intact without being eaten. At that time the killer was dubbed, “the vampire of Moca” but there was no description of the killer and the name “Chupacabras” was not yet given.

In March of 1995, the municipalities of Orocovis and Morovis, in the interior of the island, discovered that their farm animals were being killed in an unconventional manner, and in a different way, wild animals kill their prey. In this attack, eight sheep were discovered dead, each with three puncture wounds in the chest and completely drained of blood. However, when the attacks frequently occurred in the municipality of Canóvanas, the phenomenon spread rapidly throughout the island and internationally.

The first description of the mysterious killer came in September of 1995 by Madeline Tolentino of the town of Canóvanas and other subsequent witnesses who described the creature as being bi-pedal and hopping like a kangaroo or a rabbit. The descriptions further presented the killer as being a horrendous looking reptile-like creature with a leathery or scaly greenish-gray skin and sharp spines or quills running down its back. It stands approximately 3 to 4 feet (1 to 1.2 m) high, and stands and hops in a similar fashion to a kangaroo. The creature is said to have a dog or panther-like nose and face, a forked tongue, and large fangs. It is described to hiss and screech when alarmed, as well leaving behind a sulfuric stench. When it screeches, some reports assert that the Chupacabra's bulging eyes glow an unusual red, which gives the witnesses nausea.

Soon after the first incidents were reported in the press, Puerto Rican comedian and entrepreneur, Silverio Pérez, said jokingly, in a live television program, called the creature “El Chupacabras (the goatsucker).” People took it seriously and the name stuck and popularized internationally. This was in reference to the creature implicated in the attacks with a habit of drinking the blood of livestock, especially goats. Soon, thereafter, Chupacabras sightings were reported in Mexico, Chile, Argentina, Dominican Republic, Peru, Colombia, El Salvador, Nicaragua, Panama, Honduras, Brazil, and United States.

In the United States, a hairless dog-like creature began attacking livestock in several areas in Texas. This has made people to believe in the U.S. that the Chupacabras is a hairless dog or coyote with mange. No dog sucks blood and leaves the carcass intact without being eaten. No dog leaves puncture wound(s) on its victim’s throat or neck draining all the blood. No dog is bi-pedal and hops like a kangaroo. No dog has sharp spines or quills running down its back. It may be wild dogs attacking livestock in Texas, but the situation in Puerto Rico is a lot different.

Most ufologists agree that the phenomenon known as the Chupacabras is an extraterrestrial beast. In some cases, it has been seen with the Gray aliens in Puerto Rico and other places in Latin America. Numerous of animal deaths occurred in almost identical circumstances coinciding in the same geographical area with dozens of cases of UFO sightings and other phenomena.

The British cryptozoologist, Jonathan Downes, has traveled to Puerto Rico in search for the Chupacabras in the rainforests of the island. He believes that it is a cryptid creature like the Loch Ness Monster or Bigfoot and not an extraterrestrial. An unknown terrestrial creature hiding in a small heavily populated island, for me it is unlikely. According to Wikipedia the on-line encyclopedia, out of 238 countries in the world, the U.S. territory of Puerto Rico is number 21 in population density, number three in density in the Americas and number two in the United States. Can an unknown creature finally appear in the 1990’s without being seen for 500 years of the island’s history? If it were an unknown animal, it would have been caught or killed by now.

Read more about the Chupacabras on the following:

Chupacabras sighting in Puerto Rico

A Puerto Rican police officer shoots the Chupacabras


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Although there have been many unexplained sightings in the town of Lajas, the situation there has been hyped by the amount of lies and exaggeration by a group of so-called, "ufologists" who ignore other areas of Puerto Rico to promote tourism in Lajas. That was evident when my wife and my daughter confronted a terrifying experience in the town of Aguada with extraterrestrials and that group of charlatans refused our plea for help. Of course, if it happened in Lajas they would have jumped on the opportunity for fame and tourism for that town. Those hoaxes and lies were approved and sanctioned by the then mayor of that town who named route 303 "The extraterrestrial route". The idea of building an "UFOport" (ovnipuerto), “la llorona sightings" and the biggest hoax of them all, "that a UFO crashed there" all this could only be found in a science fiction novel.

By Nelson C. Rivera
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About me

Ufologist, criminal investigator, musician, artist and writer.

I worked 20 years for the New York City Department of Correction. First as a Correction Officer for 4 years, Captain for 12 years, and as a Deputy Warden for 4 years. As a law enforcement officer and supervisor, I have conducted countless of criminal investigations, some for unimaginable allegations.

On June of 2005, after my retirement, I moved to Puerto Rico with my family where my wife and my daughter faced extraordinary experiences with extraterrestrials. These alien encounters, subsequent abductions of my wife and the lack of help from so-called, "ufologists" here on the island, prompted me to become involved in the field of ufology and in the need to help others who have had similar experiences.


PRUFON, Puerto Rico UFO Network, Inc., is a nonprofit organization which conducts serious no nonsense UFO investigations. Our aim is to find the truth and answers to some of the toughest questions pertaining to UFO sightings, alien encounters and alien abductions, etc. We are not affiliated with any other ufology organization in Puerto Rico or in the world. PRUFON was founded in the city of Aguadilla, Puerto Rico on September of 2009 to share with the public what we have accomplished and researched in the related fields of ufology.

This internet network ( offers a different perspective on life, and works hard to keep you informed about unexplained phenomena occurring on the island of Puerto Rico and in the Caribbean. We collect and gather information dealing with the Unidentified Flying Objects (UFOs) and other unusual events that the mainstream news media and science fail to expose to the public, fail to study or acknowledge.

Any unusual encounter or sighting that you have had and wish an investigation and/or wish to publish it on this website, contact PRUFON at You will remain anonymous if you state it in writing.

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