2 ms·
TFA's author has a book about that exact topic: https://www.amazon.com/dp/1778038328 https://www.amazon.com/dp/1778038328 > The book includes a detailed accoun
by throwup238 3y ago
TFA's author has a book about that exact topic: https://www.amazon.com/dp/1778038328 https://www.amazon.com/dp/1778038328
> The book includes a detailed account of brown bear and polar bear fossil evidence, recent hybridization events between brown bears and polar bears, and summaries of more than a dozen genetic studies that have been done on these bears.
(It's on my bookshelf but I haven't had a chance to read it yet)