“What vegetable makes birds fart?”/“A sparrow gas.”

Asparagus isn’t featured in many jokes, but there is a pun:
 
Q: What vegetable makes birds fart”
A: A sparrow gas.
 
Pun Gents published the pun on June 12, 2009.
 
 
Pun Gents :: Original Pun of the Day
Pun for 06/12/09
What vegetable makes birds fart?
A sparrow gas.
   
Twitter
The Pun Gents
‏@pungents
Pun of the Day - What vegetable makes birds fart?
A sparrow gas. http://tinyurl.com/nfbhq6
4:08 AM - 12 Jun 2009
 
Twitter
KitcheNova
‏@Kitchenova
What vegetable makes birds fart? A sparrow gas. http://tinyurl.com/nfbhq6 (RT @PunGents)
5:58 PM - 25 Jul 2009
 
Twitter
Sophia
‏@ayiasophia
Mum: Look at that sparrow! Dad: If it did a fart, would that be A SPARROW GAS (asparagus)? Mum: David! #terryandjuneland
5:03 PM - 31 Jul 2012
 
The Amazingly Lame Joke of the Day
Wednesday, December 18, 2013
What vegetable makes birds fart?
A sparrow gas.
Posted by Tim Wycislak at 3:01 AM
 
Twitter
Frabjous Guy
‏@Adonis_Xaevier
What vegetable makes birds fart? A sparrow gas
10:34 AM - 8 Apr 2015