“What do you call a flying monkey?”/“A hot air baboon.”

A hot air balloon shouldn’t be confused with a hot air baboon. A riddle is:
   
Q: What do you call a flying monkey?
A: A hot air baboon.
 
The joke has been cited in print since at least 1992.
 
           
Google Books
102 Goofy Jokes
By Morgan Matthews
Mahwah, NJ: Watermill Press
1992  
Pg. 16:
Which monkey can fly?
A hot-air baboon.
 
Google Books
Nutty Good Clean Jokes for Kids
By Bob Phillips
Eugene, OR: Harvest House Publishers
1995
Pg. 55:
Jeff: What kind of monkey flies?
Joel: I give up.
Jeff: A hot-air baboon.
 
8 November 2005, Los Angeles (CA) Times, “The Kid’s Reading Room: Jokes & Riddles,”  pg. E14, col. 2:
What do you call a flying monkey? A hot air baboon.
Andrea, 8
Lunada Day Elementary
Palos Verdes Estates
 
January 1998, Highlights for Children, “Riddles,” pg. 6:
11. Which monkey can fly?
Astley Pitters-Springfield, Massachusetts
Answers:
11. A hot-air baboon.
 
Reddit—Jokes
What kind of monkey can fly?
submitted February 28, 2011 by rutgerswhat
A hot air baboon!
         
Google Books
Monkey Jokes For Kids 3
By Peter Crumpton
PeteyRF Creative
2015
Pg. ?:
What do you call a flying primate?
A hot air baboon!
 
Reddit—3amjokes
What do you call a flying monkey? self.3amjokes
Submitted February 8, 2016 by lionstigersbearsomar
A hot air baboon!
 
Reddit—Jokes
What do you call a flying monkey?
submitted November 22, 2016 by NormalRedditUsername
A hot air baboon.
   
Reddit—Dad Jokes
Which type of monkey can fly? (self.dadjokes)
submitted September 10, 2017 by I_Fart_Liquids
A hot air baboon
 
Twitter
The Mill Arts Centre‏
@TheMillBanbury
What do you call a flying monkey?
A hot air baboon!
#BadJokeFridayThe Mill Arts Centre added,
Edinburgh Festival Fringe
@edfringe
Happy Friday everyone!
It’s time for a bit of #BadJokeFriday action.…
9:02 AM - 17 Nov 2017