“What time do ducks wake up?”/“At the quack of dawn.”

A duck riddle is:
 
Q: What time do ducks wake up?
A: At the quack of dawn.
 
The pun has been cited in print since at least 1983, and has been printed on several images.
     
 
Google Books   
January 1983, Boys’ Life, “Think & Grin,” pg. 66, col. 2:
Larry: What time do ducks get up?
Harry: I don’t know.
Larry: At the quack of dawn. — Jason Hart, Dodge City, Kan.
 
4 January 1983, Morning Advocate (Baton Rouge, LA), “A Little Bit of Humor,” The Bubble Gum Rapper, pg. 1, col. 2:
Jill: What time do ducks get up?
Bill: I don’t know.
Jill: At the quack of dawn.
 
5 March 1983, Asbury Park (NJ) Press, pg. A10, col. 3:
At what hour do ducks rise? At the quack of dawn.
   
Google Books
The Zaniest Riddle Book in the World
By Joseph Rosenbloom
Illustrated by Sandy Hoffman
New York, NY: Sterling Publishing Company, Inc.
1984
Pg. 35:
What time do ducks get up?
At the quack of dawn.
 
Google Books
February 1984, Boys’ Life, “Think & Grin,” pg. 72, col. 1:
Donald: What time do ducks get up?
Daffy: At the quack of dawn. — Joe Landry, Pontiac, Mich.
 
18 February 1990, Washington (DC) Post, “Mighty Funny’s Mini Jokes,” The Mini Page, pg. 3, col. 2:
Q: When do ducks awake?
A: At the quack of dawn!
(Sent in by Scotty Black)
   
Google Books
Funny Duck Jokes For Kids
By Peter Crumpton
PeteyRF Creative
2015
Pg. ?:
Chickens rise when the rooster crows, but when do ducks get up?
At the quack of dawn!
     
Google Books
The Super, Epic, Mega Joke Book for Kids
By Whee Winn
Grand Rapids, MI: Zonderkidz
2016
Pg. ?:
What time do ducks wake up?
At the quack of dawn.
 
Reddit—Jokes
What time do ducks wake up
submitted November 6, 2017 by rohan_2154
At the quack of dawn
COMMENTS
Sa23De
Remember: Ducks don’t get up. They get down.