I recently happened to think of a book I had as a child in the 1950s. It had belonged to my father and was published in 1900. It’s available in the Gutenberg site: https://gutenberg.org/files/49936/49936-h/49936-h.htm
A chapter of the book is devoted to catching flying squirrels to keep as pets. I thought that very odd at the time, but now I understand, thanks to you.