updated 08/13/2012 AT 10:00 AM ET
•originally published 08/13/2012 AT 11:30 AM ET
It shows Beyoncé feeding Blue – who is seen in a Jay-Z/Kanye West “Watch the Throne” tour T-shirt, her head turned away from the camera.
Beyoncé, 30, has been sharing personal photographs on a special Tumblr page, part of the revamped Beyonce.com, since April.
The new photos include a bunch from the road – some from packed arenas, but most taken outdoors (some in Marfa, Texas), including a series of stunning shots of Beyoncé posing with some horses.