| The Ruby-crowned Kinglet, like the Golden-crowned, is a tiny bundle of energy, having to constantly feed in winter to have enough fat storage to survive cold winter nights. Both kinglets breed in the coniferous forest zone in Canada and in western mountains; surprisingly, the Ruby-crowned does not nest down the Appalachians. However, it is highly migratory and winters over most of the southern half of the country. It winters all across North Carolina, though it is rare by midwinter in the northern mountains, with few making it through the winters over much of the mountains. In migration, it can be found in many wooded habitats, even in deciduous forests, but in winter it needs some evergreen cover -- pine or mixed forests, and coastal broadleaf evergreen forests and thickets, even in wooded residential areas. It can occur in deciduous forests in winter if there is an evergreen understory or shrub zone. It is a characteristic species of the mixed species flocks, often numerous in early winter, but by late winter, numbers have been reduced by cold/severe weather. There have been several recent occurrences of singing birds in the spruce-fir zone in the high mountains, where breeding would be unlikely this far south of the known breeding range. However, when such a summer bird is noted, it would be important to follow it carefully to see if it shows breeding evidence.
Note: In 2021 the AOS Check-list Committee moved this species into its own genus -- Corthylio. It is quite different from the Golden-crowned Kinglet and other Eurasian kinglets, all of which remain in the genus Regulus. |