One of my favorite backyard feeder birds is the Ruby-throated Hummingbird.   Ruby-throated Hummingbirds are scientifically known as Archilochus colubris. They can live anywhere between 5 and 9 years, and are between 3 to 4 inches in height as an adult. They are very small in weight which ranges anywhere from 0.07 to 0.21 oz.  My favorite … More A Little Tidbit | Backyard Birds | Ruby-throated Hummingbird