I was just reminded of this, so I figured I'd just make another friendly PSA for everyone.
PLEASE be careful trading for pets adopted on December 18th!As it happens every year, there will be people who adopt the regular monthly adopts
specifically so they can trick other users into thinking they're rare re-release pets from the 18th. Just as a refresher, these are what the newborn monthlies look like for this month:







And
HERE is what the 2nd gens look like for this month.
Additionally, this is what the cocoons look like for the butterfly wolves:

Thankfully, it's much more difficult nowadays to be scammed with growing b-wolves, because the artists have started making their cocoons drastically different from the cocoons of the older rare b-wolves.
Be aware, and happy trading!