Anna's hummingbird is the epitome of a tough little bird in a very delicate looking body. These birds can be found nesting while there is still snow on the same branch. If we are going to feed them, there are a couple things that you should remember. Cleaning your feeder very regularly is Imperative! The mold that can grow in the feeder will make your visitors very sick. Also, wasps are attracted to yellow and hummingbirds to red. Here are some other facts in a blog on The Bird Blogger.com.