Unusual Hummingbird Plumage Most hummingbirds look a lot like other hummingbirds that are the same sex, age, and species. But once in a while Nancy Newfield finds a hummingbird that is noticeably different from others. The adult male Ruby-throated Hummingbird shown here has an unusual amount of white in some of its feathers. Unique Ruby-throat!   Next: Return of an Old Friend: Orange Julius! This Season Teachers Kids Orientation Registration Search Copyright 1997-2009 Journey North. All Rights Reserved. Questions or comments? Contact us.