That is always a fair question. And it is equally fair for us to say we want some evidence. We have heaps of big cat reports here in Australia, too. I do follow ups on them. The most recent had a photo in the paper - looked mightly big - and the added evidence of an extraordinarily long tail which was sent for DNA analysis. Lots of news coverage. Big Cat Story
I was immediately suspicious that the DNA tests were being done overseas. Hey, we’re not that primitive! In the end, they were done here.
What didn’t get much coverage was the follow ups. I did the ABC radio interviews as the skeptic - always a lousy role to have to take - and insisted on the results of the DNA tests. The photo was an optical illusion - as was suggested by Dopers here - there was no reliable reference point. And the DNA was feral domestic cat. A very, very big moggie resulting from released pets.
We skeptics would LOVE to see a new species discovered or a genuine alien visitation. That would be great fun! All we ask for is evidence!