Palmer is believed to have paid up to £80,000 to kill the wild animal in Mongolia last year, according The Mirror.

Following the revelation Dr Teresa, wildlife vice-president at Humane Society International told The Mirror: 'For trophy hunters to travel to Mongolia to kill a beautiful and ­endangered ram is an absolute outrage.

'The argali ram is a species in danger of extinction, so the idea that these animals can be killed for pleasure is abhorrent.

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