August 2011 This Ruby-throated Hummingbird was enjoying a snack in flight from this flower... Did you know... Ruby-throated Hummingbirds prefer to feed on red or orange flowers. Like many birds, they have good color vision and can see into the ultraviolet spectrum, which humans can’t see.... from the Cornell Lab of Ornithology. Please press "L" to see the larger lightbox version for more detail and contrast. 400mm - ISO 400 - F5.6 - 1/320th.