(Image credit: Shutterstock) Hummingbirds are beautiful creatures; it's no wonder that nature lovers enjoy seeing them swoop into their yards to feed. These hovering birds are a spectacular sight to behold with their silky plumage and graceful acrobatics. They don’t just visit your yard for your pleasure; hummingbirds are purposeful creatures in search of food. But rather than feasting on insects and seeds alone, they seek out high-energy nectar from tubular, brightly-colored flowers and feeders. Article continues below A sharp eye (Image credit: Shutterstock) “Most hummingbird foraging is based on sight, as these sharp-eyed birds are looking for flowers that promise sugar-rich nectar, as well as tiny insects that provide protein and minerals,” explains Maria Kincaid, head ornithologist at FeatherSnap . What’s more, hummingbirds can detect far more than the human eye.…