Biology:Unlike modern pigs, long-nosed peccaries had upper incisors, or tusks, that grow downwards.They had a long, slender muzzle and jaw and were about the size of a small white-tailed deer. Diet:Most paleontologists believe these animals were omnivorous, their diet dominated by plant matter, but occasionally supplemented by small animals (e.g., eggs, mice, worms). Behavior:Unlike the…