How to attract hummingbirds to the landscape By Trisha Gedon STILLWATER, Okla. – Hummingbirds seem to have the precision, speed and appeal of a U.S. Air Force fighter jet, and these quick-winged feathered friends are fun to watch in the landscape. Typically appearing in the U.S. from April through August, hummingbirds are the smallest of all bird species. But despite their tiny stature, hummingbirds play an important role in the ecosystem, said David Hillock, Oklahoma State…