The Yoga Puppies and Yoga Kittens calendars, 2011, are all about picking up your yoga moves from flexible felines and contorted canines.
Photographer Dan Borris, 53, has created the artwork.
Borris, get his wife Alejandra's to hold and coax the pets into approximations of classic poses, relying on her skills of being a Yoga teacher.
Later, computer software is used to make it look authentic.
Borris of San Antonio, Texas, insisted that animal rights activists can relax, breathe and hold on to the thought that the pets are happy to go along with it.
"Kittens and pups are very flexible but there's no forcing the animals to do anything," the Daily Express quoted him as saying.