- Scientists log rare case of female polar bear adopting cub: ‘They’re really good moms’ The Guardian
- Polar bear mother adopts cub in rarely documented case BBC
- Researchers witness rare polar bear adoption, capturing video of female caring for cub that was not her own CBS News
- Rare instance of polar bear cub being adopted near Churchill verified by scientists CBC
- Rare polar bear adoption could save cub’s life Popular Science
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