📸 PhotoPhoto: VLASOV EGOR (egorbirder) · CC BY 4.0 · Wikimedia Commons Source
Ochre-rumped Bunting
Schoeniclus yessoensis (Ochre-rumped Bunting · コジュリン)
🇰🇷 Class II endangered wildlife (Korea)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its body length of 15 cm is slightly shorter than a new pencil (about 17.5 cm) (Comparison).
- 💡 Its body length of 15 cm is about 1.7 times the long side of a credit card (about 8.6 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 Ochre-rumped Bunting is a small bird that breeds in Japan and winters in southern Japan and Korea, and is globally Near Threatened (NT).
🦴 2. Anatomy & Morphology
Among reed-dwelling buntings, it has a warm reddish-brown tone, with a sandy nape and a distinct black malar stripe. Its bill is mostly pale pinkish.
🔍 3. Ecology & Behavior
The nominate subspecies breeds in Honshu and Kyushu in Japan and winters in southern Japan and Korea. Its foraging behavior has rarely been observed.
🇰🇷 4. Connection to Korea
In the National List of Species of Korea, it is a Class II endangered wildlife (Korea), and individuals breeding in Japan cross over to winter in Korea.
📚 Sources & References
- • IUCN Red List NT (2020) — https://www.iucnredlist.org/species/22721016/181093139
- • 멸종위기 야생생물 Ⅱ급 — 국가생물종목록(국립생물자원관) ktsn 120000002233 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000002233
- • IUCN Red List category NT — latest assessment at iucnredlist.org
- • Korean protection status: Class II endangered wildlife (Korea)
- • doi.org — avilist.v2026
- • iucnredlist.org — 181093139
- • 국가생물종목록(국립생물자원관) ktsn 120000002233 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000002233
- • wikidata.org — Q1589261
- • commons.wikimedia.org — File:Emberiza yessoensis from iNaturalist photo 424407631.jp
- • avifauna.hkbws.org.hk — 057400
- • species.nibr.go.kr — general-search
- • Silhouette: PhyloPic — Ferran Sayol · CC0 1.0 (Related taxon silhouette — Emberiza alcoveri)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.