You know that look animals get when they start slipping off of the edge over a very short drop? I can't get that image out of my head when I get anxious and I just end up laughing about it

Exactly, short faces bears were mistaken for giants all of the time. they have a little excerpt on it at my local museum. Seeing the skeleton it's no wonder they thought that, everting except for the two canines makes it look like a human skeleton, just 10 feet tall lolol

Before more contemporary techniques were developed scientists DID mess up putting dinosaur bones together, all the time. They would mix and match different species because the bones were found close together and looked like they should be able to fit. Today they are pretty accurate with it through a multitude of tests