I love hummingbirds—small, speedy, colorful and difficult-to-photograph birds that measure from 2.75 inches to 5.5 inches in length. These measuring-spoon sized avian acrobats act like California Condors when defending their territory from foreign invasion (i.e., other birds approaching ‘its’ feeder). I feel tired just watching a hummingbird. Their hearts can beat up to 1260 times per minutes (a cardiologist’s nightmare). They excel in foreign acquisitions (they build expandable nests out of insect and spider silk). A hummingbird can consume up…