📸 PhotoPhoto: Geni · CC BY-SA 4.0 · Wikimedia Commons Source
Mute Swan
Cygnus olor (Mute Swan · コブハクチョウ)
🇰🇷 Class I endangered wildlife (Korea) · Natural Monument (Korea) «Mute Swan»
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 In its native range, it is a swan commonly seen on park ponds and country-estate ponds (ADW).
- 💡 Its maximum mass of 14.3 kg is about 7 tenths of a 20 kg bag of rice (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.
Site-computed relative index from recorded values; not a formal scientific metric.
📖 1. Overview
The mute swan is a large swan with a black knob on top of its bill that visits Korea in winter.
🦴 2. Anatomy & Morphology
Its body is almost entirely white, and its bright orange bill has a black knob at the base. Males are generally larger than females.
🔍 3. Ecology & Behavior
It plunges its head and long neck underwater to feed mainly on aquatic plants along with small amounts of insects, fish, and frogs. It does not dive underwater.
🇰🇷 4. Connection to Korea
It is a Class I endangered wildlife (Korea) species and was designated a Natural Monument (Korea) on May 31, 1968 (1968-05-31).
📚 Sources & References
- • IUCN Red List LC (2025) — https://www.iucnredlist.org/species/22679839/281844289
- • 멸종위기 야생생물 Ⅰ급 · 천연기념물 «혹고니» — 국가생물종목록(국립생물자원관) ktsn 120000001425 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000001425
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • Korean protection status: Class I endangered wildlife (Korea) · Natural Monument (Korea) «Mute Swan»
- • doi.org — avilist.v2026
- • iucnredlist.org — 281844289
- • 국가생물종목록(국립생물자원관) ktsn 120000001425 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000001425
- • heritage.go.kr — culSelectDetail.do
- • wikidata.org — Q25402
- • commons.wikimedia.org — File:Mute Swan Emsworth2.JPG
- • animaldiversity.org — Cygnus olor
- • heritage.go.kr — cul 1369902010300.html
- • audubon.org — mute-swan
- • species.nibr.go.kr — general-search
- • Silhouette: PhyloPic — An Ignorant Atheist · CC0 1.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.