Authorities say that in a 27-day period in November and December, 26 geese tested positive for lead poisoning at Lombard Lagoon. Eleven of the birds died.
By  Bob Chiarito
   Dec 18, 2024, 7:50pm GMT-5

Canada geese die after ingesting lead pellets in DuPage County - Chicago Sun-Times

 https://cst.brightspotcdn.com/dims4/default/4611748/2147483647/strip/true/crop/4030x4688+0+0/resize/840x977!/format/webp/quality/90/?url=https%3A%2F%2Fchorus-production-cst-web.s3.us-east-1.amazonaws.com%2Fbrightspot%2F6d%2F93%2F195b119b48ad9ab9e7be1e91ac8a%2Fimg-9534.jpg