📸 PhotoPhoto: Amateras7777 · CC BY-SA 4.0 · Wikimedia Commons Source
Japanese Scops Owl
Otus semitorques (Japanese Scops Owl · オオコノハズク)
🇰🇷 Natural Monument (Korea) «Japanese Scops Owl»
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Because it sometimes nests under the eaves of buildings, it can be encountered close to human settlements.
- 💡 Its body length of 24 cm is slightly longer than the short side of an A4 sheet of paper (21 cm) (Comparison).
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 Japanese Scops Owl is a small owl living in Northeast Asia; in Korea it is a resident bird, and individuals that breed in the north also move down in winter.
🦴 2. Anatomy & Morphology
Its body length is about 24 cm, with a brown head and back, a white chin and lower belly, and red eyes. Its ear tufts are relatively large.
🔍 3. Ecology & Behavior
Active at night, it eats small mammals, birds, reptiles, amphibians, and insects. It uses hollows in large old trees as nests—and sometimes the eaves of buildings—laying 3–5 eggs in May–June.
🇰🇷 4. Connection to Korea
In Korea, it was designated as a Natural Monument (Korea) on November 16, 1982, and is a resident bird living near houses and in temple forests. The National Institute of Biological Resources (NIBR) lists this species under the scientific name Otus bakkamoena.
📚 Sources & References
- • IUCN Red List LC (2024) — https://www.iucnredlist.org/species/61859151/264101116
- • 천연기념물 «큰소쩍새» — 국가생물종목록(국립생물자원관) ktsn 120000001854 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000001854
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • Korean protection status: Natural Monument (Korea) «Japanese Scops Owl»
- • doi.org — avilist.v2026
- • iucnredlist.org — 264101116
- • 국가생물종목록(국립생물자원관) ktsn 120000001854 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000001854
- • heritage.go.kr — culSelectDetail.do
- • wikidata.org — Q1272534
- • commons.wikimedia.org — File:リュウキュウオオコノハズク.jpg
- • species.nibr.go.kr — mainHome.do
- • Silhouette: PhyloPic — Rachel T Mason · CC0 1.0 (Related taxon silhouette — Ninox strenua)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.