Hummingbirds should be dusted with pollen, not pesticides.
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
Life, Birds, and Everything 
Amazing close-up photo!
What is safe to use on plants to kill bugs but not harm my hummingbirds?
1: The links in the post are there to help you with that. Start with the first one, which has internal links to articles that will help you identify common garden pests.
2: If you still can’t identify the pests, join a forum or Facebook group for hummingbird enthusiasts and share photos of your plants and pests. More experienced members of these groups can help you identify them and recommend targeted remedies that are safe for your hummingbird visitors (as well as you, your family, your pets, and non-target wildlife).
What about robin’s and finchs
“Sevin is an indiscriminate pesticide that’s considered moderately toxic to birds.” Robins and finches are birds, so no, Sevin not safe to use around ANY birds.