Humans have tried to domesticate some animals for centuries, but have failed because they are wary or aggressive. Some other animals are considered tame but not domesticated, retaining wild instincts that influence their behavior. RBC-Ukraine has compiled a list of 5 animals that humans have failed to tame and domesticate. Raccoons Raccoons are a good candidate for domestication. They are skillful climbers and can get into tight spaces, making them an excellent work animal. If domesticated, raccoons could be useful for the elderly and physically challenged. Despite their cute appearance, racco…