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Bad Taxidermy
But it isn't 1886 anymore. Couldn't they inflate it with helium and let it fly under the ceiling? For... realistic purposes, of course.
I've seen this in real life! It looks just as ridiculous in person 😭
Coïncidence?

The walrus and the whale. What a dashing duo.
Neither are seals, but both have had their wrinkles "smoothed" out from the inside.
There must be a forced perspective thing going on because that thing looks larger than a mastodon when comparing to the background.
Whos Natural History Gallery?
Nobody is.
MAXIMUM WALRUS
I can't not read this in the crysis 1 nanosuit voice.
Oh man, I bet it feels as smooth as a shark.
TBF, I believe that "inflated" implies gas as the key component, whereas if a solid or liquid having done the same would be referred to as "engorged" —which changes the imagery just enough. 🤢😅😶