The most common and most likely answer to this crossword clue is the 7 letter word MORMOPS
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Buddy explains!

The straight part
We know that "Bats, far from attractive?/Bats, far from attractive?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bats, far from attractive?/bats, far from attractive? = mormops.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.