Koala Fingerprints
Koala fingerprints are so close to humans that they could taint crime scenes. Koalas might not seem to have a lot in common with us, but if you were to take a closer look at their hands, you'd see that they have fingerprints that are strikingly similar to humans. In fact, they're so similar when it comes to the distinctive loops and arches, that in Australia, "police feared that criminal investigations may have been hampered by koala prints.