NO! Sevin is an indiscriminate pesticide that’s considered moderately toxic to birds. Even if it doesn’t kill hummingbirds outright, it will kill their prey and deprive them of a vital food source. There are many safer and more targeted solutions available for controlling garden and household pests.
Mother Earth News: Organic Pest Control: What Works, What Doesn’t
About.com: Natural & Organic Pest Control Solutions for the Garden