Summary ⁷

The Ruby-crowned Kinglet (Regulus calendula) is a very small passerine bird found throughout North America. It is a member of the kinglet family. The bird has olive-green plumage with two white wing bars and a white eye-ring. Males have a red crown patch, which is usually concealed. The sexes are identical (apart from the crown), and juveniles are similar in plumage to adults. It is one of the smallest songbirds in North America. The Ruby-crowned Kinglet...

Range description ⁸

Regulus calendula occurs throughout North America, in the U.S.A., Canada, Mexico and Guatemala (del Hoyo et al. 2006). The subspecies obscurus, endemic to Mexico's Guadalupe Island, was last recorded in 1953 and is now considered extinct (Barton et al. 2004).

Habitat and ecology ⁹

Systems

• Terrestrial

Migration ¹⁰

Non-Migrant: No. All populations of this species make significant seasonal migrations.

Locally Migrant: Yes. At least some populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).

Locally Migrant: Yes. At least some populations of this species make annual migrations of over 200 km.

Migrates to lower latitudes or elevations for winter.

Sources and Credits

1. (c) Dan Pancamo, some rights reserved (CC BY-SA), http://www.flickr.com/photos/10017367@N03/5214434381
2. (c) Blake Matheson, some rights reserved (CC BY-NC), http://farm4.static.flickr.com/3303/3216669405_cc42ef7538_o.jpg
3. Wikimedia Commons, no known copyright restrictions (public domain), https://upload.wikimedia.org/wikipedia/commons/thumb/2/25/Regulus_calendula1.jpg/460px-Regulus_calendula1.jpg
4. (c) Dan Pancamo, some rights reserved (CC BY-SA), https://upload.wikimedia.org/wikipedia/commons/4/45/Ruby-crowned_Kinglet2.jpg
5. (c) Jeff Whitlock, some rights reserved (CC BY-NC-SA), https://s.yimg.com/pw/images/en-us/photo_unavailable_l.png
6. (c) Pablo Leautaud, some rights reserved (CC BY-NC), http://farm4.static.flickr.com/3348/3216229745_87092db2f1.jpg
7. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Regulus_calendula
8. (c) International Union for Conservation of Nature and Natural Resources, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/31241414
9. (c) International Union for Conservation of Nature and Natural Resources, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/31241416
10. (c) NatureServe, some rights reserved (CC BY-NC), http://eol.org/data_objects/28814783

More Info

• iNat taxon page
• Animal Diversity Web
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Global Biodiversity Information Facility (GBIF)
• VertNet
• Xeno-canto

Range Map

(c) Discover Life and original sources, some rights reserved (CC-BY-NC-SA)

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