📸 PhotoPhoto: Missy Osborn from New Forest, England · CC BY-SA 2.0 · Wikimedia Commons Source
Goldcrest
Regulus regulus (Goldcrest · キクイタダキ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its weight of 6 g is lighter than a single Korean 500-won coin (about 7.7 g), weighing less than even a coin (Comparison).
- 💡 According to the National List of Species of Korea, it can be seen across Korea in winter and loves pine seeds, so it can be encountered in pine woods in winter.
Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.
Site-computed relative index from recorded values; not a formal scientific metric.
📖 1. Overview
The Goldcrest is a tiny bird about 9 cm in body length and 6 g in weight that is a common winter visitor wintering throughout Korea. It is characterized by the yellow stripe on its crown.
🦴 2. Anatomy & Morphology
Its body is greenish-brown overall with pale yellowish-white underparts and a broad yellow stripe on the crown. Males have a red streak in the center of the crown, and the wings have 2 white bars.
🔍 3. Ecology & Behavior
It catches insects, spiders, and caterpillars in trees, and in winter forages in mixed flocks with tits. It also loves pine seeds and nests in subalpine coniferous forests in June–July.
🇰🇷 4. Connection to Korea
The National List of Species of Korea notes that it is a common winter visitor wintering across Korea.
📚 Sources & References
- • IUCN Red List LC (2018) — https://www.iucnredlist.org/species/22734997/132183740
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • doi.org — avilist.v2026
- • iucnredlist.org — 132183740
- • 국가생물종목록(국립생물자원관) ktsn 120000002068 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000002068
- • wikidata.org — Q26657
- • commons.wikimedia.org — File:Regulus regulus -Marwell Wildlife, Hampshire, England-8
- • animaldiversity.org — Regulus regulus
- • species.nibr.go.kr — mainHome.do
- • Silhouette: PhyloPic — Ferran Sayol · CC0 1.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.