Why Do My Dogs Eat Bark. This type of barking is commonly seen when an animal gets accidentally bumped. The bark of their trees is delicious for dogs because it contains cellulose. In the New York Times bestseller Inside of a Dog author Alexandra Horowitz writes A sound a dog makes while wagging merrily means something different than the same sound delivered through bared teeth. The ability to consume this seemingly unpalatable food supply and derive nourishment from it requires specialized feeding habits and digestive systems.
With dogs as with humans say those in the know its the context in which a sound is utteredbe it a word or a barkthat ultimately determines its meaning. Barking is a normal activity for dogs. Think of the chestnut oak apple buckeye and locust. Instead it is the normal means by which some animals acquire a nutritious food source. Dogs eat dirt for a number of reasons. When dogs eat the bark of trees they have a feeling of satiety.
Dogs will bark when they are in pain.
Another theory is that the dog isnt trying to get a scent on them but to put their scent on the ground. In the wild this would be beneficial to dogs because it would throw predators off their trail. When a dog eats plants it means that it lacks more fiber in its diet. It is actually possible that there is a combination of causes at play. When dogs eat the bark of trees they have a feeling of satiety. The bark of their trees is delicious for dogs because it contains cellulose.