birds of the illinois riverilrdss.isws.illinois.edu/pubs/govconf2013/session3a/walk_a3.pdf · bird...
TRANSCRIPT
Birds of the Illinois River A Century of Change
Jeff Walk
© bugbog.com
SA Forbes
AO Gross
FC Bellrose
R & J Graber
Bird Abundance Has Increased
21% 11% 9% 8%
Four Species Represent Nearly Half of All Birds in Illinois
76 Species are
“One Bird in a Thousand”
or Rarer
Changes in Land Cover Profoundly Affect Birds
Loss of Grassland & Intensified Agriculture
Loss of Grassland & Intensified Agriculture
Expansion of Developed Areas
Expansion of Developed Areas
Red-winged Blackbird Horned Lark
Northern Cardinal European Starling
Northern Bobwhite
Eastern Meadowlark Red-headed Woodpecker
1912
Adapted from a figure by the Illinois Natural History Survey
Circa1925
A NDERSON L AKE
Aquatic bed Floating-leaved aquatic Levee Non-persistent emergent Open water Scrub-shrub
1955
Bottomland forest Campground Cropland Levee Non-persistent emergent Open water Road Sand Scrub-shrub
2005
Stafford et al. 2010
Eastern Kingbird Mourning Dove
Eastern Bluebird
American Kestrel
All Images Mary Kay Rubey
© Mary Kay Rubey
Floodplain Restoration
EMIQUON
Floodplain Restoration
EMIQUON
Bob Stratton, USFWS
Jeff Jones Brian E Small/VIREO
Acknowledgements Bellrose Waterfowl Research Center
Forbes Biological Station Chris Hine, Heath Hagy
and State Wildlife Grant Program
Project T-16-P-1 – Statewide Bird Survey and
Illinois Department of Natural Resources W-43-R – Aerial Inventories
John Buhnerkempe, Illinois Dept. of Natural Resources
Richard Day, Daybreak Imagery Jean Graber
Mary Kay Rubey