📸 PhotoPhoto: Alpsdake · CC BY-SA 3.0 · Wikimedia Commons Source
Eurasian Wren
Nannus troglodytes (Eurasian Wren · ミソサザイ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its body length of 10 cm is only slightly longer than the long side of a credit card (8.6 cm), small enough to fit on a palm (Comparison).
- 💡 According to the National List of Species of Korea, it is a common resident bird that forages even under the eaves of houses, so it can be noticed around country homes by its loud song.
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 Eurasian Wren is a small resident bird about 10 cm in body length that lives across Eurasia. Relative to its body size, it sings loudly with long and varied calls.
🦴 2. Anatomy & Morphology
It is reddish-brown overall with mottled markings, and has a short, pointed bill and a short tail.
🔍 3. Ecology & Behavior
It feeds mainly on insects and also spiders among shrubs, on stream rocks, on cliffs, and under the eaves of houses. It always mixes a 'chit jjororororo' trill into the middle of its calls and has a repertoire of about 120 song variations.
🇰🇷 4. Connection to Korea
The National List of Species of Korea notes that it is a common resident bird living nationwide.
📚 Sources & References
- • IUCN Red List LC (2018) — https://www.iucnredlist.org/species/103883277/132200296
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • doi.org — avilist.v2026
- • iucnredlist.org — 132200296
- • 국가생물종목록(국립생물자원관) ktsn 120000002071 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000002071
- • wikidata.org — Q25740
- • commons.wikimedia.org — File:Troglodytes troglodytes fumigatus.JPG
- • species.nibr.go.kr — mainHome.do
- • Silhouette: PhyloPic — Andy Wilson · CC0 1.0 (Related taxon silhouette — Thryothorus ludovicianus)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.