The most common and most likely answer to this crossword clue is the 5 letter word BOOBY
I've seen this crossword clue in The Daily Telegraph
B
O
O
B
Y
More clues leading to the result BOOBY
Buddy explains!
The straight part
We know that "Sort of trap/bird" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sort of trap/bird = booby.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 BOOBY mean?
BOOBY noun- A stupid person.
- Any of various large tropical seabirds from the genera Sula and Papasula in the gannet family Sulidae, traditionally considered to be stupid.
- In the game of croquet, a ball that has not passed through the first wicket.
- To behave stupidly; to act like a booby.
- To install a booby trap on or at (something); to attack (someone) with a booby trap.
- A woman’s breast.