“I brake for butterflies” (bumper sticker)

“I brake for butterflies” is a bumper sticker saying that has been printed on many images. The bumper sticker has been cited in print since at least 1981.
 
 
Newspapers.com
30 October 1981, The Daily News (Lebanon, PA), pg. 18, col. 8:
(“I brake for butterflies!” is said in a Winnie the Pooh comic strip.—ed.)
 
OCLC WorldCat record
I brake for butterflies
Author:Maude McDaniel
Print Book, English, ©1981
Publisher: [publisher not identified], [Cumberland, Md.], ©1981
 
Newspapers.com
6 October 1982, Lexington (KY) Leader, Don Edwards column, pg. A-3, col. 6:
But Not For Caterpillars? Bumper sticker seen in Lexington:
Warning—I Brake For Butterflies
   
Google Groups:  alt.politics.clinton
THE Best Bumper Stickers EVER
Tonda L Houston
Jul 10, 1996, 3:00:00 AM
(...)
> counts!“My favorite—“I brake for butterflies”
 
OCLC WorldCat record
I brake for butterflies : finding divinity in all that is—
Author:Judith M. Campbell
eBook, English, [2006]
Edition:View all formats and editions
Publisher: General Store, Renfrew, Ont., [2006]
 
X/Twitter
Sandy Ebner
@happyluddite
Saw a bumper sticker in Berkeley yesterday: “I Brake For Butterflies!” I almost went postal.
12:12 PM · Jun 27, 2009
 
X/Twitter
Shawn
@USAVet2003
Saw a Prius with million bumper stickers. Couple of Bernie 2020 stickers and the best one was the “I brake for Butterflies” Sticker.
12:43 PM · Apr 28, 2023
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X/Twitter
squilliam III
@squidnee97
Dying to put a sticker on the back of my dad’s disel truck that says “I brake for butterflies”
11:11 AM · Sep 7, 2023