Hamish, who was born at the Royal Zoological Society of Scotland’s Highland Wildlife Park in March 2018, will be leaving mum Victoria to live in a wildlife park in Yorkshire.
At two-and-a-half years old, playful Hamish is at an age where cubs in the wild leave their mothers.
And keepers believe Victoria will be relieved to have a bit more peace and quiet when the cub leaves for his new home in Doncaster, in October - where he will have a peer group of other young males to play with.
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Rachel Williams, senior animal keeper at Highland Wildlife Park, said: “In the wild, polar bear cubs will stay with their mothers for two to three years, so this is a natural time for Hamish to be moving on and I’m sure Victoria will appreciate some peace and quiet.
“It has been an incredible two and a half years watching him grow and he will be missed by everyone here at the park.
"There’s still time for visitors to come and say goodbye before.
"Hamish leaves at the end of October, he is still a very playful bear.”
David Field, RZSS chief executive, said: "Hamish has made a tremendous impression on the thousands of people who visited the park since his birth two and a half years ago, and the billions who saw the news around the world.
“He has helped to highlight the threats many species face in the wild and the changes we can undertake to really make a difference.
"Changes in the Arctic climate mean the sea ice that wild polar bears, and other animals, depend on for survival is shrinking and it is predicted this will significantly decrease population numbers over the next 40 years.
“Hamish has been and continues to be an incredible ambassador for his relatives in the wild.”
Yorkshire Wildlife Park's Head of Animals Dr Matt Hartley said: "We are delighted to be welcoming Hamish to Project Polar where he will join our other male bears.
"Yorkshire Wildlife Park participates in the European Endangered Species Programme by housing sub-adult males during the important period of their development prior to becoming breeding males or retired males that are genetically well represented in the carefully managed population.
"Our expansive reserves allow social interaction, play, exploration and behavioural development that is vital for bear well-being."