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‘40,000 birds later’
In 1978, Willard, the Field Museum’s collections manager emeritus, heard an offhand remark about birds hitting the McCormick Place, North America’s largest convention center, which is a mile south of the museum. So, he investigated.
“I went down early one morning, just out of curiosity, and wandered around and actually found four or five dead birds,” Willard says. “I might not have gone back if I hadn’t found anything that first day, and now here we are, 40 years later and 40,000 birds later.”
Willard and his colleagues, including Field Museum coauthor Mary Hennen and volunteers from the Chicago Bird Collision Monitors, have visited the site every day before sunrise during migration season, sometimes as early as 3:30 in the morning. ....

United States , Lake Michigan , Mccormick Place , David Willard , Benjamin Van Doren , Van Doren , Mary Hennen , Doug Stotz , Mccormick Center , Cornell Lab Of Ornithology , Proceedings Of The National Academy Sciences , University Of Michigan Department , Kyle Horton At Colorado State University , Field Museum , Museum Of Zoology , Cornell Lab , National Academy , North America , Chicago Bird Collision Monitors , Andrew Farnsworth , Kyle Horton , Colorado State University , Lights Out , ஒன்றுபட்டது மாநிலங்களில் , ஏரி மிச்சிகன் , ம்க்கார்‌மிக் இடம் ,