Ruby-crowned Kinglets nest in northern conifer woodlands. They nest
farther north and winter further south than the Golden-crowned Kinglet. The
female builds a cup nest of moss, lichens, fine grasses and shredded bark in
a conifer tree. From 5 to 11 eggs, incubated by the female, hatch in about
two weeks. Both parents tend the young, who leave the nest in about 16 days.
According to the web page of the Bird Banding Lab, a total of 325,502
Ruby-crowned Kinglets were banded between 1955 and 2000. Of these, only 118
have been encountered, an encounter rate of 0.036%.
If you should recover a banded bird, you can report the band number to
the Bird Banding Lab by calling 1-800-327-BAND.
Economic Importance and Conservation Status
Ruby- crowned Kinglets are important predators on insects, especially in
coniferous forests. Insect foods consist of flies, wasps, beetles, insect
eggs and other insects found in coniferous trees. Although their food
consists primarily insects, their fall and winter diet also includes some
Breeding Bird and Christmas Bird counts indicate that populations trends
for this species are increasing. These birds and other species that breed in
the far north where habitats are less disturbed experience greater nest
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