A distressing video shows a puma backed into a corner as part of a sick trophy hunt.
Mexican authorities are investigating the illegal hunting and killing of the endangered animal.
Conservationists were alerted after a photo of two men holding a dead puma appeared online accompanied with a short video showing a puma, probably the same one, being attacked by a pack of dogs.
The Federal Attorney for Environment Protection (Profepa) reported the case to the authorities in Escobedo in the northern Mexican state of Nuevo Leon.
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