Bolivian Gray Titi Monkeys Full size 2736 × 1824 pixels Bolivian Grey Tailed Titi Monkeys – they entwine their tails when sleeping to help maintain their balance on the high branch. Previous image Next image Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. CAPTCHA Code * Notify me of new posts by email. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.