The most common and most likely answer to this crossword clue is the 9 letter word MANDRILLS
M
A
N
D
R
I
L
L
S
More clues leading to the result MANDRILLS
Buddy explains!
The straight part
We know that "Baboons" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case baboons = mandrills.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.
What does MANDRILLS mean?
MANDRILLS noun- A primate, Mandrillus sphinx, with colorful face and rump.