The answers to the clues below will have something in common.

1. Easy target
2. Mosquito breeding area
3. Hurt and injured, but still on their feet
4. Ongoing gag that is regularly repeated
5. Hiding or not drawing attention to yourself
6. Fleeing the country after being released on bond
7. Grabbing opportunities, making yourself heard, etc.

Answers:

1. Sitting duck
2. Standing water
3. Walking wounded
4. Running joke
5. Lying low
6. Jumping bail
7. Leaning in 

Credit:
Stella Daily and Bruce Venzke (#1-4)