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Ruby-crowned Kinglet
Regulus calendula |
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STANFORD LOCATIONS: Fairly common migrant and winter resident in various habitats throughout campus. |
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Location |
Type |
Mating System |
Parental Care |
2ndary Diet |
Strategy |
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I: 12? DAYS ALTRICIAL |
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(2 feet - 100 feet) |
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(5-11) MONOG |
MF |
BERRIES |
GLEAN HAWKS |
BREEDING: | Coniferous and coniferous-deciduous forests. ? broods. |
DISPLAYS: | Male displays with red crest erect, singing a "wheezy, subdued song." |
NEST: | Hung from limb, open at top with cavity deep enough to conceal incubating bird; of moss, lichen, down, twigs, dead leaves, lined with fine materials. |
EGGS: | Creamy white to muddy cream, variably spotted with brown, usu wreathed. 0.5" (14 mm). |
DIET: | Includes spiders; few seeds. |
CONSERVATION: | Winters s to w Guatemala. Rare cowbird host. |
NOTES: | Winter studies suggest that size of N.A. breeding populations may be limited by conditions experienced during the winter. Forms loose, mixed-species winter flocks with titmice, nuthatches, Brown Creepers, Golden-crowned Kinglets, and warblers. |
ESSAYS: | Bird Guilds; Mixed-Species Flocking; Population Dynamics. |
REFERENCES: | Laurenzi et al., 1982. |
Help | Abbreviations | Species-Alphabetical | Species-Taxonomic | Essays-Alphabetical | |
Except for Stanford Locations, the material in this species treatment is taken, with permission, from The Birder's Handbook (Paul Ehrlich, David Dobkin, & Darryl Wheye, Simon & Schuster, NY. 1988). |