Subject: Ruby-Throated Hummingbird, Archilochus colubris, feeding at the flower of a Mimosa tree

Location: Upshur County, West Virginia

Stock Number: 05-30460

Comment: Male hummingbirds are the smallest warm-blooded creatures on earth. The wingspan of the male Ruby-Throated Hummingbird may be as little as four inches. Females are a little larger.