Interestingly I am a trained bird observer yet when I say things are gulls over on the Reddit UFO page no-one accepts my trained observer credentials..
"Trained observers" is a problematic phrase, and we should probably avoid it. It's almost entirely a rhetorical device put forward by UFO enthusiasts. Some very small number of scientists might be a trained observer of their particular object of...
They use dimension because it's trendy to not call the aliens aliens these days because it seemingly feels good to some people to be able to snark back at anyone who calls them "aliens"
I don’t trust Marik’s analysis on anything.
I remember the mental gymnastics applied to the gimbal case by him, in order to demonstrate that the object is physically rotating, when the “dirt” on the lens is perfectly synchronized to the movement...
What if it is too far away to see those details?
I can tell some birds from behaviour at beyond visual ID range at least to genus and in the UK to species by elimination (we only have one Kestrel for instance) so if it's hovering it's a kestrel...