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Tyrannosaur injuries suggest 'violent and cannibalistic' past

A new research documenting injuries inflicted in life and death to a large tyrannosaurine dinosaur has provided evidence for combat and cannibalism in tyrannosaurs.

Post-mortem reveals man-eater to be 5 year-old tiger

An autopsy on the man-eater carnivore, which was shot dead, has revealed it to could be a five-year-old male tiger, a top forest official said today.

`Demise of one carnivore leads to extinction of another`

Scientists have previously put forward the theory that when a carnivore becomes extinct, other predatory species could soon follow.