School of Life Sciences | Ask A Biologist

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Why is Rudolp's nose red?

Bird Details

Perching Perching

Ruby-crowned Kinglet

Regulus calendula

Ruby-crowned Kinglet
copyright Herbert Clarke
Length: 4 in. (11 cm)
In winter this tiny species is found in a wide variety of forested habitat types. It is usually part of large mixed species foraging flocks made up of chickadees, titmice, nuthatches, and creepers. In the summer, the Ruby-crowned Kinglet moves to higher elevations and latitudes to nest in dense coniferous forests. The nest is a small sack-like affair that hangs from a high limb. It has an entrance at the top and is made of moss, lichens, and plant down. When foraging for insects, this species often flitters up and hovers for a second near a leaf to snatch an insect sitting there. The four-digit banding code is RCKI.
ruby_crowned_kinglet.jpg

Male
copyright Herbert Clarke

Fir forest
Fir forest

Oak-pine woodland
Oak-pine woodland

Riparian / River forest
Riparian / River forest

Shrubs
Shrubs

Urban city
Urban city

Mesquite bosque
Mesquite bosque

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Male
Twittering (sound type)
Bird Song
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Male
Twittering (sound type)
Bird Call
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CR_RCKI_2_061704_S.jpg
Male
Twittering (sound type)
Bird Song

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CR_RCKI_031503_S.jpg
Male
Twittering (sound type)
Bird Call

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Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.