goldcrest
A very small passerine bird, Regulus regulus, known for the golden crest on its head. Typically written in katakana.
The goldcrest is one of the smallest birds found in Japan.
In winter, goldcrests sometimes come to the garden.
Kanji form is rare; the bird name is usually written in katakana.
The name キクイタダキ literally means 'chrysanthemum crown', referring to the bird's yellow crest. The exact origin of the Japanese name is uncertain.