TortoiseForum.org - This thread is a fascinating look at the behavior of wild Greek tortoises when it comes time to hunker down for the winter.
Tortoise Hibernation – How To
Tortoise Trust - For those in the northern hemisphere, temperatures are rapidly cooling and the time for hibernation for many species of tortoise is coming soon. This is an excellent write-up on how to make sure your own tortoise is ready to hibernate and how then to safely go about doing so. The thread includes lots of comments and question/answers that the reader may also find informative.@ Tortoise Trust