Koala fingerprints are almost identical to human ones.
Why it is true
They are so similar that, on past occasions, forensic experts have confused koala prints with those of human suspects at crime scenes.
Source: Nature
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.
Related facts
Animals
Koalas have fingerprints that are almost identical to humans.
Animals
Koala fingerprints are virtually indistinguishable from human fingerprints.
Animals
The aye-aye uses its elongated middle finger to find insects inside trees.
Animals
Koalas have fingerprints so similar to human ones that they are hard to tell apart under a magnifying glass.