ILLINOIS AUDUBON BULLETIN 
Published Quarterly by 
THE ILLINOIS AUDUBON SOCIETY 
Number 178 Fall 1976 
CONTENTS 
THE PRESIDENT’S MESSAGE Peter Dring 2 
OUT ON THE LIMB OF URBAN FORESTRY Bruce Fuller 
ENDANGERED SPECIES: U.S. Fish & Wildlife Service 10 
LISTING AND DELISTING 
THE ROAD BACK, RECOVERY PROGRAM MOVES AHEAD 
FALCON RECOVERY EFFORTS ENTER SECOND YEAR 
U.S. Fish & Wildlife Service 13 
DISCOVERY Joe Taylor 15 
MEANS TO IMPROVE ACCURACY AND SCIENTIFIC VALUE OF 
CHRISTMAS BIRD COUNTS William Robertson 16 
BIRD FINDING — SILOAM SPRINGS STATE PARK Jim Funk 19 
— FOREST GLEN PRESERVE Marilyn Campbell 21 
MONARCH MIGRATION Everett D. Cashatt 23 
FIELD NOTES, SPRING MIGRATION Vernon M. Kleen 25 
CHANNELIZATION REDUCES FISH POPULATION 
Lonnie Williamson 36 
BOOK REVIEWS 37 
GUEST EDITORIAL, BLACKBIRDS, SCARE TACTICS AND 
IRRESPONSIBLE LEGISLATION Jerome A. Jackson 38 
INFORMATION BRIEFS FROM ERDA 40 
UPCOMING EVENTS 
Dec. 11-12 — Central Area Fall Campout, Pere Marquette S.P. 
Dec. 18 to Jan. 2 — Christmas Bird Count Period 
Feb. 5 — Statewide Bald Eagle Survey 
Feb. 12 — I.A.S. Board of Directors Meeting, Springfield 
May 7 — Statewide Spring Bird Count 
FRONT COVER: Monarch Butterfly (Danaus plexippus) resting on thistle (see story 
on page 23). — Photo by Illinois State Museum. 
