A change in seasons can mean it’s time to take the sweaters out of the back of your closet, plant your garden, or—if you’re a panda—remake your gut microbiome. Scientists have found that pandas, rather than a summer and winter wardrobe, have different sets of gut bacteria for different seasons. The rotating roster of bugs helps pandas make the most of their drab diet of bamboo, bamboo and more bamboo.
The panda menu does have seasonal variations. Pandas munch more on different bamboo spec