- Other names: Mutant jaguar
- Country reported: Paraguay
After being shot and killed, it was examined by zoologist Juan Acavar, who determined it to be a living species of Smilodon. However, to avoid causing any hysteria, he declared that it was a mutant jaguar.
More recently, there has been speculation that the animal was actually Thylacosmilus. However, Thylacosmilus looked signicantly different, and is believed to have gone extinct much earlier than Smilodon.