Photographers Jean-Louis Klein and Marie-Luce Hubert, both from the Alsace, France, spent the year snapping the furry subjects in a project that ended with their release into the wild.
Laying patiently in meadows and reed beds, the pair were able to capture the fascinating images.
One shows a mouse being suspended in the air on the tails of his fellow critters. Another curious mouse was spotted inspecting a camera while balanced precariously between two sheaves of wheat.
Hang on a mo: A harvest mouse uses all four legs and its tail to steady itself on two stalks of grass as it snares a cicada in the reed beds of Alsace, France
Steady on: A harvest mouse wraps its tail around a plant stem to help it balance while it investigates
Peek-a-boo: An inquisitive mouse balances on two ears of wheat to take a close look at one of the cameras
From the studio - where the pair documented tiny newborns and their first few weeks of life - to the great outdoors where all of the 30 mice were eventually released, the pictures take viewers through almost every event they faced.
A female harvest mouse rolls her baby carefully up a plant stem towards her nest, while a cobweb creates a stunning backdrop for a male perched on canary grass
Also captured are stunning underwater pictures of one of the animals swimming.
To demonstrate how the mice often take to the water in the wet meadows they inhabit, 55-year-old Jean-Louis and 46-year-old Marie-Luce gave one of their subjects a dip in a mouse-sized aquarium before releasing it into the wild.
Other behaviour documented in the captivating series were fighting, nest-building, foraging, balancing and even a mother mouse carefully rolling one of her babies along a tiny branch.
Jean-Louis said: 'All of the harvest mice came originally from captivity and were eventually released into a field where we continued to photograph them, always carefully choosing a suitable habitat where we knew they could survive.
'We also wanted to show the behaviour of the animals during maternity, but we wouldn't have been able to get this in the wild without disturbing the mother and there was a danger a wild mother might have abandoned them.
'Instead we shot the maternal behaviour in a studio before releasing the mice once the babies were mature enough for the wild.
'When shooting in the wild, we didn't need to hide. You just had to find a good spot, lay very still for a long time, and wait for the mice.'
Safe as houses: A harvest mouse keeps watch from the safety of its nest made from Phragmites reeds
Hang about: A harvest mouse shows its agility climbing down a wheat stalk, while young harvest mice put their tails to playful use during a display of acrobatics
The incredible patience of Jean-Louis and Marie-Luce, which sometimes saw them frozen in position for up to four agonising hours, paid off by allowing them to witness some amazing moments rarely seen by humans.
Mother love: Inside her nest, a female regurgitates to feed her ten-day-old babies
One such moment saw an adventurous young mouse getting into an unusual position - hanging from the tails of three of its siblings.
'These were young mice becoming independent and playing not far away from their nest,' said Jean-Louis.
'After the mother leaves, the young remain together for a few days while they grow in confidence and then disperse.
'Like a monkey, the harvest mouse has a prehensile tail, using it as a fifth leg. The tail is mainly used to keep balance while climbing among grass stems. That way, the mouse is free to use both his hands.
'The tail is instinctively always searching for something to grasp. It's usually a grass stem but sometimes it's simply a neighbouring mouse.'
The project was the culmination of 20 years of fascination of the animals for Jean-Louis and Marie-Luce.
Marie-Luce said: 'Two decades ago we saw our first harvest mice in a huge vivarium in a wildlife sanctuary. We were absolutely fascinated by their little acrobats and we hoped to find time one day to learn more about their behaviour in the wild.
'We were very happy to finally complete this project last year in an effort to document all the ways that they behave.
'These little rodents are very shy too and mothers often leave their offspring when disturbed, so it's very important not to disturb them. If a wildlife enthusiast wishes to find them, one advice would be to wait until mid-October after the young have matured.'
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