10 cm, 4, 4", Regulus calendula, Wisconsin, adult, aspen, bird, breed, breeding, brood, cover, crown, crowned, eggs, eye ring, eye-ring, fauna, feathers, female, forest, fork, gray, green, inches, incubate, intricate, kinglet, lichen, nest, nesting, north woods, northwoods, ocvered, patience, patient, pendulous, protect, protecting, ruby, ruby-crowned, ruby-crowned kinglet, sac-like, sit, sitting, small, spider webs, summer, tiny, tree, wait, waiting, watch, watching, white, white wing bars, wing-bars, woven