After 21 years together Shiba the lioness spends hours grooming her dying mate before he was euthanised at Pittsburgh Zoo

They spent their whole lives together and their love was plain for all to see.

But now Juma, the lion king, is dead and his queen Shiba is having to get used to life on her own after 21 years of 'married bliss.'

Juma, the pride of Pittsburgh Zoo, passed away after battling age-related ailments including feline dementia.

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