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Prairie dogs are aggressive against predators such as badgers and snakes. Prairie dogs are social animals, however, and often make social visits with each other, and greet each other with a sort of kiss.Prairie dog tunnel systems help channel rainwater into the water table to prevent runoff and erosion, and can also serve to change the composition of the soil in a region by reversing soil compaction that can be a result of cattle grazing. The tunnels usually have several chambers. Tunnels can descend vertically as much as 5 metres (16 ft), and can extend laterally as much as 30 metres (98 ft). Prairie dogs line their burrows with grass to insulate them, and the earth excavated from the burrow is piled up in mounds around the burrow's entrance. The prairie dogs use these carefully maintained mounds as observation posts.
The prairie dog is well adapted to predators. Using its dichromatic color vision, it can detect predators from a far distance and then alert other prairie dogs to the danger with a special, high-pitched call. Con Slobodchikoff and others assert that prairie dogs use a sophisticated system of vocal communication to describe specific predators.Prairie dogs also trim the vegetation around their colonies, perhaps to remove any cover for predators. Their burrows generally contain several routes of escape.
The prairie dog is chiefly herbivorous, though it eats some insects. It feeds primarily on grasses and, in the fall, broadleaf forbs. Prairie dogs have 1-6 pups (babies) yearly, which are born blind and furless and need about 30 days of close nurturing from their mother.
Sometimes two prairie dogs touch teeth with each other. Researchers think they do this as a way of recognizing each other.for cute birds....