### Clue: Check for second time in social media platform for one watching birds (8)
### Answer: TWITCHER 
 ### Explanation: CH (Check, in chess), replacing the second T (time) in TWIT-T-ER="social media platform"
 
the T being replaced is the third T of the word TWITTER – perhaps "second… **in**" means the second of the **in**ner T letters