any of about four species of birds of the genus Regulus, of the songbird family Sylviidae; some consider them a separate subfamily, Regulinae. These round-bodied, short-billed little birds are usually found in coniferous woodlands. They make a high-hanging nest of moss, bound with cobweb, so small that the 5 to 10 eggs may lie in two layers. Kinglets are about 9 cm (3.5 inches) long, with greenish gray body plumage and bright crown marks
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