Humans have some of the most impressive mutualistic relationships with animals on the planet. Whether it’s cats, dogs, sheep, cows, or horses, people have managed to create symbiotic relationships with animals in ways that have spanned millennia. But those aren’t the only creatures in nature that have managed to reach a mutual understanding. Across the globe, in an abundance of environments, animals have established numerous codependent relationships.
Intrigued? Click on to see which relationships are among the most fascinating.