“Support wildlife—throw a party” has been printed on many gift items, such as T-shirts and bumper stickers. “Fall is the time to support wildlife—have a party tonight” was cited in print in 1975.
 
‘Support Wildlife—Throw A Party” is a bumper sticker that was cited in 1985.
 
 
Google News Archive
4 November 1975, Milwaukee (WI) Sentinel, “A touching scene on State St.” by Alex Thien, pt. 1, pg. 9, col. 1:
MARTY WIVIOTT saw a sign on the Brown Deer store: “Fall is the time to support wildlife—have a party tonight.”
 
Google News Archive
22 October 1985, Spartanburg (SC) Herald-Journal,  “The Stroller” by Seymour Rosenberg, pg. 1, col. 1:
Colleague Jerry Sudderth spotted this nifty bumper sticker on the back of a pickup truck on I-20: ‘Support Wildlife—Throw A Party.”
 
1 July 1986, Mid County Chronicle (Port Neches, TX), “‘House’ opens world of gifts,” pg. 20B, col. 1:
NEDERLAND—Support American Wildlife—Throw A Party!
 
Google Books
The Third and Possibly the Best 637 Best Things Anybody Ever Said
By Robert Byrne
New York, NY: Ballantine
1987, ©1986
Pg. ?:
303
Support wildlife. Throw a party.
Unknown
 
21 August 1987, The Plain Dealer (Cleveland, OH), “Mary, Mary” by Mary Strassmeyer, pg. 12-B, col. 3:
BUMPER STICKING…Sylvia Beechler, the Cerebral Palsy volunteer, brought this one back from San Diego: Support Wildlife. Throw a Party.
 
Google Books
Words of Wisdom
Edited by William Safire and Leonard Safir
New York, NY: Simon and Schuster
1989
Pg. 124:
Support wildlife. Throw a party. — Author unknown
 
The New Yorker
Fiction MARCH 27, 1989 ISSUE
Short Easter
BY JOHN UPDIKE
(...)
One morning, the car behind him, a low scarlet sports model, wore a kind of mask or muzzle of dark vinyl over its grille, and this ultra-chic, ultra-protective touch infuriated him, just as did cardboard sunshields in parked cars, and leather-ridged, fingertipless driving gloves, and fuzz-busters blatantly fastened above dashboards, and bumper stickers declaring SHIT HAPPENS or SUPPORT WILDLIFE—THROW A PARTY.”
 
Google Groups: alt.penpals.forty-plus-yrs
What’s your favorite bumper sticker?
Eleonore Beaudoin
8/1/98
“Support wildlife: throw a party”.
 
Google Books
Tweet This Book:
The 1,400 Greatest Quotes of All Time in 140 Characters Or Less
Edited by Sayre Van Young and Marin Van Young
Berkeley, CA: Ulysses Press
2011
Pg. 73:
Support wildlife. Throw a party.
Anonymous