system
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human
[Harry Potter] How can muggles be ignorant of magic when magical animals are a thing?

These animals have existed for thousands/millions of years, long before widespread magical organization started to enforce the statute of secrecy.

Animals also don't care about these political stuff, they just exist. Do wizards really have the manpower to stop or obliviate every last muggle that encounters magical animals?

And even so, wizards don't even understand science that much. Muggle biologists will quickly discover that there are hidden species acting on the environment. They would notice their impact in food supplies, predator populations, etc.

It seems like a very expensive and almost impossible thing to keep secret.
gpt
Basically, we do know about magical creatures. We just don't *know* that we know about them.

>Do wizards really have the manpower to stop or obliviate every last muggle that encounters magical animals?

No, and as such we *do* know about magical animals.

Everyone's heard of dragons, unicorns, basilisks and so forth. They're common knowledge- muggles have encountered them too much for them not to be. What's being covered up is that they're more then fairytales, and at this point, it's almost self-sustaining.

If you slip through the cracks and tell people you saw a fairy, who'd believe you?  It's a magical imaginary creature, nutcase. They only need to obliviate potential major breaches, and that's *much* easier.

>And even so, wizards don't even understand science that much. Muggle biologists will quickly discover that there are hidden species acting on the environment. They would notice their impact in food supplies, predator populations, etc.

Yes and, again, they *did.*

Biologists are well aware that there are a large number of species we don't know about. We can even put a solid estimate on the numbers. Granted, the vast majority of these are tiny or aquatic, but optimistic estimates put the number of large land dwellers still to be discovered in a few dozen. Not many, but we're aware there's still some out there, and we're looking. Probably in the HP world that number is higher, and includes the possibility of a few undiscovered megafauna, no doubt to the great excitement of many biologists.

What we *don't* know is that few dozen are magical creatures, but we know they're there.