CORALVILLE A nutritional deficiency following a long winter is thought to be causing dozens of geese to get sick or die on the Iowa River.
More than 100 Canada geese and at least one mallard were found sick or dead near the low-head dam by the Iowa River Power Restaurant on the Iowa River since first reported to the Iowa Department of Natural Resources last week, according to DNR State Wildlife Veterinarian Rachel Ruden. The sick geese were showing neurological symptoms were and taken to wildlife rehabilitators, Ruden said.
DNR staff have been working to determine the cause of the sickness.