Engagement bait. It's to farm karma for bot accounts usually.

Hence the reason it's almost certainly fake. Even a 5 year-old could easily rattle off several animals with three letters in them without much thought.

Now if it was something like what animals has only two letters in it, that's something most people would actually have to think about.

What did you expect from a sheep?

British hawk.

An excellent observation no wonder they called you awk eyes in boot camp.

Olm, kea

This is the old times fun you had in road trips before you became a soulless shiny glass zombie. That and globbering your younger brother when he foolishly replies "yes" to "would you like an hawaiian punch?"

Emu

They just said pig