lions have been put to death so neither has to live without the other in an unusual case of animal euthanasia at a US zoo. Loved up couple Hubert the lion and Kalisz the lioness were said to have both been in declining health and aged 21-years-old when they were executed at Los Angeles Zoo on Thursday.Staff at the zoo are said to be bereft at the deaths of the animals who are believed to have been together for the past six years.While the typical lion lifespan in the wild is approximately 15 years, the big cats have been known to live as long as 30 years in captivity.Hubert was born in a zoo in Chicago, while Kalisz came from Seattle’s Woodland Park Zoo – with the beasts being united when they were both moved to Los Angeles Zoo in 2014.Zoo.
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