Does Food Coloring Kill Hummingbirds?

Does Food Coloring Kill Hummingbirds? Does food coloring kill hummingbirds? There are many myths about feeding wild birds. Some are silly. Others are deadly (for the birds). A sidebar to the Backyard Gardener column {Home, May 2} added unfounded credence to one of the silly myths about hummingbird feeding — that red food coloring is