📸 PhotoPhoto: Dario Sanches from São Paulo, Brazil · CC BY-SA 2.0 · Wikimedia Commons Source
Short-eared Owl
Asio flammeus (Short-eared Owl · コミミズク)
🇰🇷 Natural Monument (Korea) «Short-eared Owl»
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 It preys on voles across winter fields and reedbeds.
- 💡 Its weight of 0.475 kg is slightly lighter than a 500 mL bottle of water.
- 💡 Its 1.1 m wingspan is slightly longer than a 1 m ruler.
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 Short-eared Owl is a medium-sized owl found in open fields and wetlands around the world, and occurs in Korea as a winter visitor.
🦴 2. Anatomy & Morphology
Its plumage mixes buffy white and dark brown, and its ear tufts are so short that they are barely noticeable. Its asymmetrically placed ears allow it to pinpoint prey hidden in grass by sound.
🔍 3. Ecology & Behavior
It hunts mainly small mammals such as voles, pouncing from a perch or coursing low over the ground. It nests on the ground in tall grass and lays an average of 5.6 eggs (1–11), incubating them for about 21 days.
🇰🇷 4. Connection to Korea
In Korea, it was designated as a Natural Monument on November 16, 1982, and winters in riverside fields and reedbeds.
📚 Sources & References
- • IUCN Red List LC (2021) — https://www.iucnredlist.org/species/22689531/202226582
- • 천연기념물 «쇠부엉이» — 국가생물종목록(국립생물자원관) ktsn 120000001871 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000001871
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • Korean protection status: Natural Monument (Korea) «Short-eared Owl»
- • doi.org — avilist.v2026
- • iucnredlist.org — 202226582
- • 국가생물종목록(국립생물자원관) ktsn 120000001871 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000001871
- • heritage.go.kr — culSelectDetail.do
- • wikidata.org — Q25769
- • commons.wikimedia.org — File:Asio flammeus -Fazenda Campo de Ouro, Piraju, Sao Paulo
- • animaldiversity.org — Asio flammeus
- • species.nibr.go.kr — redlist view.jsp
- • Silhouette: PhyloPic — Alexandre Vong · CC BY 3.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.