The most common and most likely answer to this crossword clue is the 4 plus 6 letter word WOOD PIGEON
I've seen this crossword clue in The Times
W
O
O
D
P
I
G
E
O
N
More clues leading to the result WOOD PIGEON
Buddy explains!
The straight part
We know that "a ravager of crops" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a ravager of crops = wood pigeon.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 WOOD PIGEON mean?
WOOD PIGEON noun- The common wood pigeon, an Old World species of pigeon, Columba palumbus.
- Any of several related species of pigeon in the genus Columba.
- A very large (up to 650 grams) species of pigeon native to New Zealand, Hemiphaga novaeseelandiae.