The Chupacabra

Canovanas, Puerto Rico. 1995. A wave of livestock deaths — goats, chickens, sheep — showed up drained of blood, puncture wounds on the neck. The eyewitness descriptions that followed were vivid and consistent: a bipedal creature, roughly four to five feet tall, with spines running down its back, large red eyes, and a reptilian quality that didn't match anything in the local fauna. The press named it el chupacabra — the goat-sucker. Within months, the legend had spread across Latin America and into the United States.

What happened

The original Puerto Rico sightings centered on a woman named Madelyne Tolentino, whose description of the creature became the template for the classic chupacabra: spiny, bipedal, alien-looking. Folklorist Benjamin Radford spent five years investigating the case and found something uncomfortable: Tolentino had seen the 1995 sci-fi film Species shortly before her sighting. The creature she described — spines, red eyes, bipedal frame — closely matches "Sil," the film's alien antagonist. Radford's conclusion, published in Tracking the Chupacabra (University of New Mexico Press, 2011), is that the original Puerto Rico description was shaped, consciously or not, by a movie monster.

The legend then split into two distinct versions. The Puerto Rico original: bipedal, alien-like, spiny. The later Texas-and-Mexico version: quadrupedal, hairless, gaunt, with leathery skin and an unsettling smell. These are not the same creature. They barely resemble each other.

The evidence

The Texas version has been tested. Repeatedly. The UC Davis Veterinary Genetics Laboratory ran DNA analysis on multiple carcasses — including the so-called Elmendorf Beast and a 2007 specimen from Cuero, Texas — and found the same answer every time: coyote, sometimes with domestic-dog admixture. No unknown species. No anomalous genetics. Coyote.

The hairlessness has an explanation too. Barry O'Connor, a biologist at the University of Michigan, identified the mechanism: Sarcoptes scabiei, the mite that causes mange. Severe mange strips fur, thickens and darkens skin, and leaves an animal gaunt, foul-smelling, and desperate enough to attack easy prey — like penned livestock — rather than hunting normally. A mangy coyote looks genuinely monstrous. It also explains the shift in behavior that generated the livestock-attack reports in the first place.

National Geographic's 2010 coverage summarized the scientific consensus: every physical specimen attributed to the chupacabra has turned out to be a known animal. The legend outran the evidence by about twenty-five years.

What the explanations don't explain

Here's where it gets mildly interesting. The mange explanation handles the Texas carcasses well. It doesn't fully close the Puerto Rico chapter. Livestock deaths with puncture wounds and apparent blood loss are real agricultural events — they happen, and they have mundane explanations (predators, disease, decomposition producing misleading visual results). But the specific clustering of reports in 1995, the consistency of the original eyewitness descriptions, and the speed with which the legend propagated across communities — that's a folklore event worth taking seriously on its own terms, even if the monster itself isn't real.

Radford's film-influence finding is compelling. It's also, technically, one researcher's conclusion drawn from one key witness. That doesn't make it wrong. It makes it the best available explanation for the original description, not a sealed verdict.

The chupacabra is real as a cultural artifact. As a zoological one, the record is about as settled as cryptid cases get: every carcass tested, every carcass explained. The legend, though — that part traveled faster than any DNA result ever will.