📸 PhotoPhoto: Alpsdake · CC BY-SA 4.0 · Wikimedia Commons Source
Dusky Thrush
Turdus eunomus (Dusky Thrush · ツグミ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its body length of 23 cm is slightly taller than a 500 mL plastic bottle (about 20 cm) (Comparison).
- 💡 According to the National List of Species of Korea, it is a migratory bird that winters in Korea and feeds mainly on plant fruits, earthworms, and insects.
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.
📖 1. Overview
The Dusky Thrush is a bird in the thrush family (order Passeriformes) that breeds in northern Siberia and on the Kamchatka Peninsula and winters in Korea. Its upperparts are dark brown, while its supercilium and throat are yellowish-white.
🦴 2. Anatomy & Morphology
Its body length is about 23 cm. Its white breast, belly, and flanks are marked with black spots and its wing feathers are reddish-brown, though there is wide individual variation and many intermediate forms.
🔍 3. Ecology & Behavior
It lives in lowland and mountain forests, building a cup-shaped nest on tree branches in May–June and laying 4–7 eggs. It feeds mainly on plant fruits and is also fond of earthworms and insects.
🇰🇷 4. Connection to Korea
The National List of Species of Korea records that this bird overwinters in Korea.
📚 Sources & References
- • IUCN Red List LC (2024) — https://www.iucnredlist.org/species/22736111/263781962
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • doi.org — avilist.v2026
- • iucnredlist.org — 263781962
- • 국가생물종목록(국립생물자원관) ktsn 120000002103 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000002103
- • wikidata.org — Q1591651
- • commons.wikimedia.org — File:Turdus eunomus s3.jpg
- • species.nibr.go.kr — mainHome.do
- • Silhouette: PhyloPic — Anthony Caravaggi · CC0 1.0 (Congeneric silhouette — Turdus merula)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.