Cryptic crossword clue
Watches what birds do, mostly, in the US 9

The most common and most likely answer to this crossword clue is the 9 letter word SPECTATES

I've seen this crossword clue in Financial Times
S
P
E
C
T
A
T
E
S

Buddy explains!

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 SPECTATES mean?

SPECTATES verb
  1. To attend an event as a spectator; to observe.

Latest crossword clues with full explanations